HomeMy WebLinkAbout05/14/2015 - AGENDA - Regular MeetingTRAFFIC &
TRANSPORTATION
COMMISSION
AGENDA
May 14, 2015
7:00 P.M., Regular Meeting
Diamond Bar City Hall
Windmill Community Room
21810 Copley Drive
Diamond Bar, California
Chair
Vice -Chair
Commissioner
Commissioner
Commissioner
Ted Carrera
Ken Mok
Surendra Mehta
Ed Pechy
Manisha S'ulakhe
Written materials distributed to the Traffic and Transportation Commission within 72 hours of the Traffic and Transportation Commission
meeting are available for public inspection immediately upon distribution in the City Clerk's office at 21810 Copley Drive, Diamond Bar,
California, during normal business hours.
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21810 Copley Drive, and are available for public inspection. If you have questions regarding an agenda item, please call (909) 839-
7040 during regular business hours.
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requires that any person in need of any type of special equipment, assistance, or acconunodation(s) in order to communicate at a City
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CITY OF DIAMOND BAR
TRAFFIC AND TRANSPORTATION COMMISSION
AGENDA
May 14, 2015
DIAMOND BAR CITY HALL
WINDMILL COMMUNITY ROOM
21810 COPLEY DRIVE, DIAMOND BAR
CALL TO ORDER: 7:00 p.m.
PLEDGE OF ALLEGIANCE: Vice -Chair Mok
ROLL CALL: Commissioners Mehta, Pechy, Sulakhe, Vice -Chair Mok, Chair
Carrera
I. APPROVAL OF MINUTES
A. Minutes of April 9, 2015
II. PUBLIC COMMENTS
This is the time and place for the general public to address the Commission.
Items to be discussed here are those which do not already appear on this
agenda.
III. ITEMS FROM STAFF
A. Traffic Enforcement Update *
1. Citations: February, March & April 2015
2. Collisions: February, March & April 2015
3. Street Sweeping: February, March & April 2015
IV. OLD BUSINESS
V. NEW BUSINESS
A. Diamond Bar Arterial Performance Report Card
1. Recommendation: Receive and file.
B. Capital Improvement Program Five -Year (FY 2015/16 — 2019/20)
1. Recommendation: Receive and file.
VI. STATUS OF PREVIOUS ACTION ITEMS
VII. ITEMS FROM COMMISSIONERS
VIII. INFORMATIONAL ITEMS
A. Traffic Signal Infrastructure Upgrades Project
B. Comprehensive Groundwater Drainage Study
C. Morning Canyon Rehabilitation Project
D. Area 3 Road Maintenance Project
E. Reagan/Peterson Park Parking Lot Construction
F. Grand Avenue Beautification Project
G. Lemon Avenue Interchange Project
H. Willow Heights Construction Update
IX. SCHEDULE OF FUTURE CITY EVENTS
A. CITY COUNCIL MEETING — Tuesday, May 19, 2015 — 6:30 p.m.,
AQMD/Government Center, 21865 Copley Drive, Auditorium
B. MEMORIAL DAY OBSERVED — In observance of the holiday, City Hall
offices will be closed on Monday, May 25, 2015
C. PLANNING COMMISSION MEETING — Tuesday May 26, 2015 — 6:30
p.m., Diamond Bar City Hall Windmill Community Room, 21810 Copley
Drive
D. PARKS & RECREATION COMMISSION MEETING — Thursday, May
28, 2015 — 7:00 p.m., Diamond Bar City Hall, Windmill Community
Room, 21810 Copley Drive
E. CITY COUNCIL MEETING — Tuesday, June 2, 2015 — 6:30 p.m.,
AQMD/Government Center, 21865 Copley Drive, Auditorium
F. PLANNING COMMISSION MEETING — Tuesday, June 9, 2015 — 6:30
p.m., Diamond Bar City Hall Windmill Community Room, 21810 Copley
Drive
G. TRAFFIC & TRANSPORTATION COMMISSION MEETING —Thursday,
June 11, 2015 — 7:00 p.m., Diamond Bar City Hall, Windmill Community
Room, 21810 Copley Drive
X. ADJOURNMENT
* THIS INFORMATION WILL BE PROVIDED AT THE MAY 14, 2015 MEETING
CITY OF DIAMOND BAR
MINUTES OF THE TRAFFIC AND TRANSPORTATION COMMISSION MEETING
APRIL 9, 2015
CALL TO ORDER:
Chair Carrera called the meeting to order at 7:00 p.m. in the Diamond Bar City Hall Windmill
Community Room, 21810 Copley Drive, Diamond Bar, California 91765.
PLEDGE OF ALLEGIANCE:
ROLL CALL:
Absent:
Commissioner Pechy led the Pledge of Allegiance.
Commissioners Ed Pechy, Manisha Sulakhe, Vice
Chair Ken Mok, and Chair Ted Carrera
Commissioner Surendra Mehta was excused.
Also Present: David Liu, Public Works Director; Kimberly Young,
Senior Civil Engineer; John Beshay, Associate
Engineer; Sterling Mosley, Assistant Engineer; and
Marcy Hilario, Administrative Coordinator.
APPROVAL OF MINUTES:
A. Minutes of the March 12, 2015 Regular Meeting.
C/Pechy moved, C/Sulakhe seconded, to approve the Minutes of the March
12, 2015 regular meeting as presented. Motion carried by the following Roll
Call vote:
AYES: COMMISSIONERS
NOES: COMMISSIONERS
ABSENT: COMMISSIONERS
II. PUBLIC COMMENTS:
Pechy, Sulakhe, VC/Mok,
Chair/Carrera
None
Mehta
Chair/Carrera thanked Diamond Bar High School students for attending tonight's
meeting.
APRIL 9, 2015 PAGE 2 T&T COMMISSION
III. ITEMS FROM STAFF:
A. Receive and File Traffic Enforcement Updates for:
1. Citations: January, February and March 2015
2. Collisions: January, February and March 2015
3. Street Sweeping: January, February and March 2015
PWD/Liu stated that during the Commission's March meeting, VC/Mok asked about
the street sweeping citation proceeds. According to the City's Finance Department,
one hundred percent of the proceeds are directly deposited to the City's General Fund
for discretionary use for public safety programs, road maintenance, and other
services. During FY 2013-14, fines paid totaled about $222,000. For FY 2014-15, it
is estimated that approximately $230,000 in fines will be collected.
VC/Mok thanked staff for the response to his question.
VC/Mok moved, C/Pechy seconded, to receive and file the Traffic Enforcement
Update reports for January, February and March 2015. Motion carried by the
following Roll Call vote:
AYES:
NOES:
ABSENT:
IV. OLD BUSINESS:
V.
VI.
NEW BUSINESS:
COMMISSIONERS
COMMISSIONERS
COMMISSIONERS
None
None
STATUS OF PREVIOUS ACTION ITEMS
VII. ITEMS FROM COMMISSIONERS:
Pechy, Sulakhe, VC/Mok,
Chair/Carrera
None
Mehta
None
C/Pechy stated that he noticed a number of business signs that are written in a
foreign language only and wanted to know the City's position. PWD/Liu said his
understanding is that foreign language signs are permitted; however, the City strongly
encourages that businesses provide signage in English as well. He said he would
follow up with the City's Planning Department and provide a more complete response
at the next meeting.
C/Sulakhe reported that today it was a very smooth drive for her from south to north
Diamond Bar, which was not the case on Monday. She realized after the fact if she
had gone onto Diamond Bar Buzz, she would have known not to travel the area.
APRIL 9, 2015 PAGE 3 T&T COMMISSION
Chair/Carrera asked if the flashing red lights at the intersection of Diamond Bar
Boulevard and Maple Hill Road was a result of a power failure or construction on
Diamond Bar Boulevard. AE/Beshay reported that it was a result of an Edison
planned power outage. Chair/Carrera said he thought Edison chose the worst time
because it was still flashing red about 5:00 p.m. AE/Beshay indicated the work was
supposed to be finished earlier; however, the crew ran late due to unforeseen
conditions in the field.
VIII. INFORMATIONAL ITEMS:
A. Edison Upgrades at Diamond Bar Boulevard and Grand Avenue —
AE/Beshay reported that all electrical work has been completed. There is a
small amount of restoration work to be done around the last vault on Diamond
Bar Boulevard as well as removal of the underground service alert markings
along Diamond Bar Boulevard.
C/Pechy asked if after the work is completed, the City sends someone out to
inspect the patch job that has been done on the street. AE/Beshay responded
"yes." C/Pechy said that he was at Diamond Bar Boulevard and Grand Avenue
today and he was not overly impressed with the work that was done by Edison
and the contractor. SCE/Young explained that the City gave permission for
Edison to leave all of the trench work within the Grand Avenue Beautification
Project limits as base paving because the City will grind the entire intersection
during the beautification project as well as each leg of the intersection up to the
first driveway. Everything outside of the beautification project limit had to be
final paved.
C/Sulakhe asked if there was a checklist. SCE/Young replied that for all
encroachment permit work by utility companies and private contractors, the
Public Works Street Maintenance Superintendent is responsible for finalizing
the permits and if there are any deficiencies and if the Superintendent is not
happy with the paving, he will require that the issues be corrected to meet the
quality of work expected by the City of Diamond Bar. AE/Beshay further
explained that there is a punch list of items that is generated to address issues
that must be corrected.
B. Reagan/Peterson Park Parking Lot Construction Project — AE/Beshay
reported that the project is still under design. Also, staff is in the process of
obtaining a permit from L.A. County Flood Control to connect the proposed bio-
filtration system into the L.A. County catch basin. The construction phase is
scheduled to start at the end of June, after Father's Day.
C/Pechy asked if the baseball fields at the end of Sunset Crossing Road were
City -owned or private property. PWD/Liu responded that it is private property.
APRIL 9. 2015 PAGE 4 T&T COMMISSION
C. Morning Canyon Rehabilitation Project — AE/Mosley explained that this
project is being redesigned. The redesign includes minimizing the roadway
width by eight feet to widen the parkway to accommodate tree root growth. As
a result, parking along the street would be impacted. The Community Services
Department is reaching out to the condominium homeowner's association to
receive input toward the project's design. With the elimination of street
parking, staff wants to make sure the association is on board with the project.
Staff is waiting to hear back from the association and hopes to have a meeting
with the board members to discuss the design.
Chair/Carrera asked how dependent the homeowners are on the street
parking. AE/Mosley explained that part of the reason staff has reached out to
the homeowners is to answer this and other questions and concerns. He said
he does not believe that any condo complex would be happy about losing
parking. Staff has explored alternative parking between the northern and
southern portion of Morning Canyon Road to include both condo associations
along the project limits.
VC/Mok asked if staff had the dates of both association meetings. AE/Mosley
reiterated that the Community Services Department is dealing with the property
management group and to date, staff has not heard back from the property
management group or been made aware of any dates that are available for
presenting the design information and receiving feedback.
C/Sulakhe was unclear if it had already been explained and asked if parking
spaces were being lost. AE/Mosley restated that the proposed design would
extend the parkway eight feet so that the curb face would be moved inward
eight feet. This would result in a loss of street parking.
D. Area 3 Road Maintenance Project — AE/Mosley conveyed that, as part of the
City's seven year Roadway Maintenance Program, this year includes the Area
3 Roadway Maintenance Project. The project lies within the boundary
bordered by Pathfinder Road to the southern portion of the City limits on both
sides of Diamond Bar Boulevard, excluding The Country Estates. The project
is out to bid with a bid opening scheduled for April 20th. The goal is to begin
construction in early June and have the work completed prior to the beginning
of the school year (mid-August).
E. Comprehensive Groundwater Drainage Study — AE/Mosley explained that
the purpose of the study is to develop a comprehensive plan to address
groundwater and surface area drainage at several locations through the City.
Recently, there was a contract amendment with Tait & Associates to include
geotechnical services at an additional location for a total of 11 locations
throughout the City. Once this area is included in the study, staff will review
the findings and use the study to continue to address groundwater at each
location.
APRIL 9. 2015 PAGE 5 T&T COMMISSION
F. Gas Company Upgrades at Golden Springs Drive and Grand Avenue —
AE/Mosley stated that this project is on hold. The Gas Company asked to
meet with staff to study the City's restoration requirements. No date has been
set and since it is a Gas Company project, staff will wait for their contact.
G. Grand Avenue Beautification Project - SCE/Young conveyed that the pre -
construction meeting for this project is scheduled for the afternoon of
Thursday, April 16th. Staff anticipates construction will begin in mid to late
May and wanted to have the pre -construction meeting early enough to provide
time to iron out details prior to the start date to avoid further postponements.
Staff and the City's consultants met with Caltrans regarding construction
oversight yesterday to review federal funding requirements that need to be met
during construction. It is essential to ensure that the federal funding will not be
jeopardized at any time during construction. The meeting was very productive
and staff as well as the consultants are on board to move forward with
construction.
Chair/Carrera asked about the percentage of federal funding. SCE/Young
responded that the City has just under $700,000 for SAFETEA-LU funds and
just over $300,000 of STPL funds, which is about 50 percent funded via federal
funds.
H. Lemon Avenue Interchange Project — SCE/Young indicated that staff
continues to work on revisions that were requested by Caltrans. The latest
revisions are to encase two existing waterlines along Lemon Avenue. Walnut
Valley Water District is working on processing a change order to their contracts
so that this can be addressed to resolve most of the utility issues. Once
complete, staff can submit the plans to the Office of the Engineer by the end of
April.
Willow Heights Construction Update — SCE/Young reported that progress is
being made toward the Grand Opening, which is scheduled for Saturday, April
18th. Staff anticipates that the developer, Lennar, will have their Certificates of
Occupancy for the model homes. There are three products in the community
including the Viridian product, a single family home; the Sage product, which is
a detached cluster home; and, the Olive Crest, which is attached
condominiums. The Grand Opening will take place from 10:00 a.m. to 6:00
p.m. All parking will be at Diamond Bar High School and shuttle service will be
provided by Lennar to and from the parking lot. Refreshments will be served, a
DJ will provide music, and a face painter will be present. Lennar will also
provide shuttle service between the three products, since they are spaced out
along the entire site. However unlikely, staff is hoping the traffic signal at
Cherrydale Drive will be energized. Edison has additional paperwork that is
required before the traffic signal can be energized. If the signal is not
energized, Lennar has been asked to prohibit left turns in and out of the
development. The left turn pocket has been constructed and it is coned off
and by the end of today, "no -left -turn" signs will also be installed. On the day of
the event, Lennar may reach out to the Sheriff's Department for traffic control.
APRIL 9, 2015 PAGE 6 T&T COMMISSION
The formal invitations have gone out to 2000 individuals on their interest list;
therefore, a large crowd is anticipated. Final paving will take place tomorrow
and once the traffic signal is energized, crosswalk striping will be installed.
Additional widening needs to be done over the channel and along Brea
Canyon Road; therefore, with this additional street work, new striping may be
required.
Chair/Carrera asked if Lennar was ahead of schedule in construction.
SCE/Young said she could not comment on their schedule.
C/Sulakhe asked if the Open House would continue beyond April 18tH
SCE/Young responded that she understood the models will be open for public
viewing within their operating hours. C/Sulakhe then asked if construction
would continue. SCE/Young replied that only the model homes have been
constructed. Lennar continues to pull permits to build homes and they are
currently on Phase 3 or Phase 4 of each product. The City is issuing finals and
Certificates of Occupancy for the models only at this time. Phase 1 for each
product has not yet been finalized.
C/Pechy asked about the difference between an attached family home and
condominium unit. SCE/Young explained that the detached cluster home is
essentially a detached condo. If one purchases a detached cluster home, the
air space is owned but not a parcel of land. The attached condo is a unit
where only the air space is owned but each resident shares a wall with a
neighbor. The only product which would include a land lot is the single family
residential product (Viridian).
J. City Council FY 2015-16 Goals and Objectives — PWD/Liu provided the
Commissioners with a copy of the City Council's FY 2015-16 Goals and
Objectives. At its March V Study Session, the City Council reviewed the
current FY 2014-15 Goals and Objectives. After consideration, the City
Council reviewed the list and identified items that had been completed and
then directed staff to provide an updated list for approval. Accomplishments
for FY 2014-15 include securing national recognition for the SR -57/60
Confluence Project as part of an effort to secure future funding; completion of
the right-of-way acquisition for the Lemon Avenue Interchange Project;
acquiring the ownership of the Windmill and property on which it sits; and,
commencement of the Grand Avenue Beautification Project. Also, in
May/June, PWD/Liu will bring a report to the City Council and Commission
entitled "Diamond Bar Congestion Report Card" outlining the ongoing
effectiveness of the City's Traffic Management System and traffic mitigation
projects.
PWD/Liu stated that going forward, the City Council Goals and Objectives for
FY 2015-16 format has changed and a number of new goals and objectives
have been stated. The list includes four sections: 1) Traffic Mitigation; 2)
Financial Responsibility and Economic Development; 3) Communications; and,
4) General Items. He read and explained the goals and specific objectives.
APRIL 9, 2015 PAGE 7 T&T COMMISSION
K. Advocacy Trip to Washington D.C. for the SR57/60 Confluence Project —
PWD/Liu explained that this effort began in 2009. On an annual basis,
Diamond Bar and City of Industry travel to Washington D.C. to meet with
congressional members and staff to emphasize the importance of this project.
At a local level, Diamond Bar and the City of Industry have worked closely
together with Metro and Caltrans to push this project forward in order to realize
improvements to the confluence area. This project is identified in the County's
long-range transportation plan; however, funding for the project does not kick
in until 2029. The City of Industry has paid for the design and as part of the
funding strategy determined that the best way to move forward within our
means and resources is to break the project up into phases. The first three
phases are fully funded (about $50 million); however, the remaining phases
require about $200 million from other resources. Statistics and safety issues
prove the seriousness of making these improvements as quickly as possible.
The purpose of this year's meeting was very different in that the main purpose
was to thank them for their support of the TIGER grant application for $10
million, which represents this project is of national significance. For Diamond
Bar and Industry to be awarded this grant is a very big deal. If the USDOT
agrees to fund this project, it means they agree that this project needs help.
When City representatives visited Washington D.C. last year, we were
encouraged by USDOT to give it a try. If the numbers and statistics are so
good, there is a good chance that the grant will be awarded. Congressman
Royce, Congresswoman Napolitano and Congresswoman Chu offered their
support of our application. We presented them with the appreciation plaques
along with a copy of the L.A. Times article announcing Diamond Bar and the
City of Industry receiving the TIGER grant. Councilmember Jimmy Lin and
Industry Mayor Tim Spohn presented the plaques to the three Congressional
members and the two California Senators, and staff at the USDOT office.
Furthermore, we requested that Congress consider and fund a multi-year
transportation legislation. The current transportation bill expires on May 31,
2015. A new bill should finance new freight or goods movement projects such
as the Confluence Project. PWD/Liu went on to remind the Commission about
the information packet he provided to the Commission for the SR -57/60
Confluence Project. That same information packet was provided to the
Congressional members in Washington D.C.
Chair/Carrera stated that, with elimination of the earmarks, it requires an
extraordinary effort to secure the funding now. It will take a continued
concerted effort by the City to secure the funding because otherwise, this
project will fall off of their radar and any money that becomes available will go
elsewhere. It is a vital project for this area.
IX. SCHEDULE OF FUTURE CITY EVENTS: As stated in the agenda.
APRIL 9, 2015 PAGE 8 T&T COMMISSION
ADJOURNMENT: There being no further business to come before the Traffic and
Transportation Commission, Chair/Carrera adjourned the meeting at 7:53 p.m.
The foregoing minutes are hereby approved this day of 12015.
Respectfully Submitted,
David G. Liu, Secretary
Attest:
Chair Ted Carrera
WALNUT/DIAMOND BAR STATION
TRAFFIC STATISTICS
FEBRUARY, MARCH,
&APRIL 2015
t
Report Completed:
MAY 2015
Feb -15 Mar -15 Apr -15
❑ Non-Haz ❑ Hazard ■ Parker ■ Total
*April citation total includes statistics for one motor unit. Second motor unit is off work due to
injury.
Feb -14
Mar -14
Apr -14
0 Non-Haz 0 Hazard ® Parker 0 Total
COLLISIONS
Feb -15 Mar -15
o -
❑INJURY ❑NON INJ ■TOTAL
FEBRUARY 2015
D.U.I ARREST= 0 D.U.I. COLLISIONS= 0
MARCH 2015
D.U.I ARREST= 0 D.U.I. COLLISIONS= 2
APRIL 2015
D.U.I ARREST= 0 D.U.I. COLLISIONS= 0
5d
50
.5 4d
28
23
8
5 6
Feb -14 Mar -14 Apr -14
■INJURY ONON INJ ■TOTAL
FEBRUARY 2014
D.U.I ARREST= 0 D.U.I. COLLISIONS= 1
MARCH 2014
D.U.I ARREST= 1 D.U.I. COLLISIONS= 3
APRIL 2014
D.U.I ARREST= 1 D.U.I. COLLISIONS= 0
STREET SWEEPING
Feb -15 Mar -15 Apr -15
213
Feb -14
Mar -14
312
Apr -14
CITY OF DIAMOND BAR
TRAFFIC AND TRANSPORTATION COMMISSION
MEMORANDUM
DATE: May 7, 2015 MEETING DATE: May 14, 2015
TO: Chair and Members of the Traffic and Transportation Commission
FROM: Christian Malpica, Associate Engineer
VIA: David G. Liu, Director of Public Works/City Engineerr��
SUBJECT: DIAMOND BAR ARTERIAL PERFORMANCE REPORT CARD
BACKGROUND/DISCUSSION:
The Diamond Bar Traffic Management System (TMS) was deployed in early 2009,
enabling staff to proactively monitor real time traffic conditions and adjust signal timing as
necessary thus enhancing traffic operation and circulation over the last several years. To
measure the effectiveness of the TMS, staff retained Fehr & Peers to develop an Arterial
Performance Report Card.
The attached Technical Memorandum for the Arterial Performance Report Card provides
various data collected from 2009, 2011 and 2013 including the 2008 Citywide Daily Traffic
Volumes and crowdsourcing (web -based) data. A baseline arterial performance
measurements, a comparison of arterial corridor performance between the above
mentioned years, and a cost/benefit analysis were conducted. Using vehicle delay (hours)
and fuel consumption (gallons), as key performance measures, three (3) layers/levels of
operational performance were evaluated: Citywide, corridor -wide, and corridor segment.
This Report Card is focused on the results for the entire City and on the arterial corridor
level.
On an annual basis, the total delay on the City arterials (Citywide) has decreased from
1,168,000 vehicle -hours in 2009 to 1,022,000 vehicle -hours in 2013; while similar trend
occurred for total fuel consumption which reduced approximately from 8,680,500 gallons
in 2009 to 8,098,900 gallons in 2013. The overall reduction between 2009 and 2013 was
approximately 12% in total delay and 7% in fuel consumptions.
These total delay and fuel consumption changes were calculated into transportation
operation benefits (in dollars), which were then compared to the capital and operational
cost (TMS investments) to calculate the returns on investments. Between 2009 and 2011,
the total transportation benefits were calculated to be over $4 million based on the delay
and fuel consumption savings. On the contrast, the total cost invested on the TMS were
approximately $1.2 million, which resulted in a benefit/cost ratio of 3.8.
Between 2011 and 2013, the bene-fit/cost ratio was 1.1. Compared to the prior 2 years
(2009-2011), the benefits are moderate.
In addition to the Citywide arterial performance evaluation, the corridor -level evaluation
was also performed on the arterials focusing on travel speeds and travel time along the
study corridors during the PM peak hour. A majority of (12 out of 16) arterials have
experienced improved travel speeds and reduced travel times in 2011 or 2013, in
comparison to 2009, except for eastbound Grand Avenue, northbound and southbound
Brea Canyon Road south of Pathfinder Road, and northbound Diamond Bar Boulevard.
The overall average travel speed along the arterials has increased from 29 mph in 2009,
to 30 mph in 2011, and to 31 mph in 2013.
Although the focus of this Report Card is to summarize the Citywide and arterial corridors
performance, a web -based GPS tool has also been developed to augment our regular
monitoring efforts. This GPS tool contains the relative changes in travel time, speed,
delay, and gas cost along roadway segments in the City. These additional details can be
used to pinpoint potential areas of concern, if any.
Finally, for future updated Report Cards, staff will consider collecting traffic counts on a
biannual basis, conduct monthly arterial performance evaluations to address pattern
changes for any arterials due to multiple construction activities, and collect GPS routing
data in determining increases/decreases in specific route usage over time in Diamond
Bar.
RECOMMENDATION:
It is recommended that the Traffic and Transportation Commission receive, file and
concur with staff to forward the Arterial Performance Report Card to City Council.
Attachments:
Technical Memorandum, dated April 30, 2015
Report Card Brochure — Draft
Power Point Presentation
FEHR�PEERS
TECHNICAL MEMORANDUM
Date: April 30, 2015
To: Christian Malpica, City of Diamond Bar
From: Anna Luo / Mike Wallace / Amy Smith
Subject. Diamond Bar Arterial Performance Report Card
0006-0050.03
1. INTRODUCTION
The purpose of the Arterial Performance Report Card is to paint a picture of citywide
arterial performance by monitoring changes in corridor operational performance and
estimating the congestion reduction savings "Benefit" in comparison to the investment
"Cost" over time for the arterial street system in the City of Diamond Bar. This monitoring
approach has been developed using traffic congestion data collected through big data
applications during Congestion Management Program years (e.g., 2009, 2011, and 2013).
Key operational performance measures including vehicle delay and fuel consumption
were evaluated for three layers: corridor segment, corridor -wide, and City-wide. The
operational benefits are reflected as savings and compared to the cost of investment on
TMC operations and other improvements to Diamond Bar's signal system.
This technical memorandum presents the overall approach, describes traffic input data
and methodology applied to the analysis, and summarizes the results, key findings, and
recommendations. In addition, a Report Card Summary Brochure (to summarize key
findings in a two -fold brochure for decision makers and general public) and a web -based
GIS corridor congestion monitoring tool (to provide regular monitoring on City streets
including freeways and produce citywide corridor performance report as needed) were
also developed as part of this effort.
8141 E Kaiser Blvd, Suite 110, Anaheim, CA 92808 (714) 941-8800 Fax (949) 859-3209
vwa.fehrandpeers.com
Diamond Bar Arterial Perr'orniarce Report Card
April 2015
Page 2 of 25
20 OVERALL APPROACH
The designated Congestion Management Agency (CMA) is responsible for the
development, monitoring, and biennial updating of their Congestion Management
Program (CMP). The goals of the CMP are to support regional mobility and air quality
objec4ves-lay-reducing traffic -congestion; to provide ---a mechanisrn-for-ccrordimdt4Tg—tarrd
use and development decisions that support regional economy; and to determine gas
tax fund eligibility. In many years, traffic congestion monitoring has been focused on
intersection level rather than corridor or area -wide level.
The emerging technology in traffic signal control and communications allowed local and
regional agencies able to develop more efficient strategies to improve corridor
operations through implementation of signal synchronization network and traffic
management center for day-to-day operations. However, the corridor performance
monitoring was not fully established until the big data become available in recent years.
Big data commonly used in the transportation industry typically includes three
categories: 1) probe data collected from a portion of the vehicle stream (such as GPS
floating car), 2) crowd sourcing data collected using vehicle tracking technology (such as
Inrix GPS, TomTom, and Airsage cell phone); and 3) spot data collected from vehicle
passing roadside devices (such as Bluetooth, in -pavement loops, video detection, and
radar data). For the congestion monitoring purpose, crowd sourcing data (e.g., Inrix) is
now commonly used and provides corridor performance traffic data including travel
speed, travel time, and bottleneck indicators. Those data can be summarized for corridor
segment, entire corridor, and entire study area (e.g., city, county, or state).
The approach applied for this Report Card is shown in the workflow on the next page.
The green -color box indicates traffic data inputs provided by Inrix, and the output
data/results are shown in the orange -color box. The analysis was performed for CMP
years (e.g., 2009, 2011, and 2013) and the corridor performance changes between the
CMP years (e.g., from 2009 to 2011 and from 2011 to 2013) were then compared to
conduct the benefit/cost analysis.
Diamond Bar Arterial Performance {deport Card
April 2015
Paqe 3 of 25
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Arterial Performance Report (Card Workflow
Fuel PfIces
Travel Speeds
Traffic Volumes
Fuel Prices
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apital and
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Benefit / Cost
Assessment
Diamond Bar Arterial Performance Report Card
April 2015
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3. KEY ASSUMPTIONS
This section describes the key assumptions applied for the analysis.
COMPARISON YEARS
To be consistent with the CMP cycles and understanding the City's Traffic Management
Center (TMC) was not in full operation until Year 2009, the analysis years were
determined to include 2009, 2011, and 2013. In addition, 2009 is the earliest year which
has available Inrix data. The two-year period was also able to reduce the influence of
land use and economic factors on the analysis.
DATA SOURCES
A primary indicator of changes in congestion and how this might impact travelers is the
observed change in typical travel speeds over time. The travel speed data was collected
from Inrix Analytics Suite for each of the three study years. Inrix applies the SpeedWaves
approach to determine accurate speeds on arterials (and other roadways) with
impediments to free flow from traffic signals, stop signs, traffic circles. In addition to the
travel speed, traffic volume data was also obtained from the City.
TIME PERIOD
The PM peak hour study period was selected for data availability and to analyze traffic
data during a time window with typically high levels of congestion. Peak hour traffic data
for the weekdays in the month of September were used across all study years for
consistency and to reflect conditions while schools are in session. The PM peak hour
citywide corridor performance benefits were converted to the annual citywide
performance benefits for benefit/cost analysis.
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April 2015
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ANALYSIS LAYERS
In order to provide a better understanding of the evaluation results to a broader
audience including decision -makers, technical staff, and the public, the operational
performance was analyzed and summarized in three levels — for the entire city, for each
corridor, and for each major segment. The citywide performance was determined based
on the aggregated performance from all the corridors (excluding freeways) within the
City's limits. It should be noted that a few corridors in the City's limits do not have
historical traffic data from Inrix, therefore those corridors are not included in the Report
Card analysis but will be included in the future year Report Card analysis when data
becomes available. Faure 1 shows the map of City streets that are included in the
analysis.
The Report Card is focused on the results for the entire City and the corridor level. The
detailed segment level analysis results were summarized and reported in the web -based
GIS tool as part of this project.
Diamond Bar Arterial Performance Repori Card
April 2015
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April 2015
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4. KEY TRAFFIC DATA INPUTS
This section discusses the traffic data used as the key inputs in the analysis (also
contained in the above workflow as the "receive data inputs"). Although GHG emissions
data was evaluated as part of this study, understanding changes in emissions requires
knowledge of changes in traffic volumes. Since we were limited to one -traffic volumes
dataset from 2008, the GHG emissions data for the three CMP cycles was calculated
based on the same 2008 traffic volumes dataset. We included the data input with the
understanding that this could be an important measure included in congestion studies in
the future when more volume data becomes available.
TRAVEL SPEEDS
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Historical 2009, 2011, and 2013 traffic speed data for Q„
roadways in the City of Diamond Bar were obtained
through the Inrix Analytics Suite. We queried the
Inrix database to retrieve historical weekday M
(Tuesday — Thursday) speeds for roadway segments
during the PM peak hour (5:00-6:00 PM) in
September 2009, 2011, and 2013. �
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TRAFFIC VOLUMES
PM peak hour traffic volumes for Diamond Bar roadways were derived from 2008
Average Daily Traffic (ADT) data provided by City staff. The data obtained through the
City consists of 24-hour volumes which needed to be converted to peak hour volumes. A
comparison of PM peak hour and daily counts at certain City intersections where we
have both traffic counts indicates an approximate peak hour -to -daily traffic ratio of 10%,
which was applied to all roadway segment daily volumes to obtain the PM peak hour
volumes. Figures 2-A and 2-113 show the 2008 daily traffic volumes in the Diamond Bar
area.
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April 2015
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Figure 2-A 2006 Daily Traffic Volumes in North Diamond Bar
J
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Figure 2-B 200E Daily Traffic Volumes in South Diamond Bar
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GREENHOUSE GAS EMISSION PATES
Greenhouse gas emission rates by vehicle speed bin were obtained through the EMFAC
2011 Emissions Database. This database, released by the California Air Resources Board
(CARB), provides emission rates for various greenhouse gases, including carbon dioxide.
These rates are further categorized according to vehicle model year, vehicle type, and
fuel type. For the purposes of this analysis, vehicle model years were aggregated and
2009 light duty emission rates were used for passenger vehicles using gasoline. Due to
limited traffic volume data availability, Greenhouse Gas Emission data was retrieved but
not applied in the congestion analysis. The CO2 emission and fuel consumption rates by
travel speed bin used for this analysis are presented in Table 1 below.
Table 1
CO2 Emission and Fuel Consumption Rate by Speed Bin
Speed (miles/hr)
CO2_RUNEX
Gasoline
(Grams/mile)
(Gallons/mile)
5
1100.461
0.123828
10
815.4041
0.091752
15
627.2915
0.070585
20
501.1252
0.056389
25
415.7733
0.046784
30
357.6193
0.040241
35
319.2537
0.035924
40
297.0624
0.033427
45
286.6024
0.03225
50
285.6781
0.032146
55
295.3145
0.03323
60
314.2681
0.035363
65
349.9052
0.039373
70
382.1123
0.042997
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April 2015
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FUEL CONSUMPTION RATES
Fuel consumption rates by speed bin were derived by the previously -obtained
greenhouse gas emission rates by speed bin. 2009 light duty consumption rates were
applied in the development of the fuel consumption indicator (see section below on
indicators for more information). The fuel consumption rates by travel speed bin used
for this analysis are presented in Table 1 above.
FUEL PRICES
The US Energy Information Administration provided detailed fuel prices for each month
and week going as far back as January 2000. Given that the historical fuel price data was
provided for the Los Angeles County and the historical data for Diamond Bar is not
available, the historical fuel prices for LA County was used for the analysis years, which
was approximately $3.9-4.0 per gallon.
CAPITAL & OPERATIONAL COSTS
The capital and operational costs that occurred in the analysis year of 2009, 2011, and
2013 were provided by the City of Diamond Bar, which include the TMC installation cost,
routine maintenance costs, the TMC operations/system maintenance costs, Battery Back-
up (BBS) costs, and CCTV video camera costs. The cost information was used to conduct
the benefit/cost analysis between the three years which will be discussed toward the end
of the report.
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5, CONGESTION INDICATORS AND METHODOLOGIES
The Report Card workflow uses on -the -ground data inputs to better understand
congestion within a transportation network as well as how traffic patterns change over
time. This study used data sources described it t e-pr_ovious_�c-tion ta_calCLIIate_multiple_
indicators of congestion in the City of Diamond Bar. Changes in these indicators across
the study years were calculated by subtracting each metric between the years. Below is a
description of each indicator used in the Report Card workflow.
TRAVEL TIME �
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About the Indicator. V
Congested conditions can be characterized by slower 4-J
travel speeds and longer travel times than would be faru O
experienced during periods of relatively low demand. u O
ra
Travel time as measured during typical conditions can U tn
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be used to monitor congestion in a study area over 0)
time. CO
V
VMT
Delay
Methodology:
Travel times for study segments in the Congestion Report Card study area were
calculated using travel speed data from Inrix. For each study period, Inrix data was
filtered to include only speed samples collected on Tuesday, Wednesday, and Thursday
in the month of September between 5:00 PM and 6:00 PM. Since the Inrix data was
provided along relatively short segments, these segments were aggregated according to
"Logical Segments": longer segments with logical start and end points based on
geography, typically where intersections with other major roadways occur. Data were
also summarized by "Corridor", where entire lengths of freeway and street were analyzed
to provide metrics for an entire roadway.
O
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VEHICLE MILES TRAVELED (VMT)
About the Indicator:
Changes in VMT can indicate the increased/decreased usage of a Logical Segment or
Corridor over time, which may indicate growing demand and help identify potential
focus areas for future traffic management efforts. VMT is also an important indicator of
transportation network performance according to the new CEQA guidelines contained in
the Senate Bill 743 (SB -743).
Methodology:
For this analysis, VMT was calculated by multiplying peak hour roadway volumes by
roadway lengths. For all three study years, 2008 peak hour volumes were used to
calculate VMT due to limitations in data availability for other years. Therefore, VMT is
not the focus for the analysis of this round Report Card but should be considered for the
future year Report Card analysis and other transportation planning analysis.
DELAY
About the Indicator:-
Delay is measured by comparing the theoretical travel time along a study segment in
ideal conditions to observed travel times. Analyzing changes in delay over time can
provide valuable insight when assessing the extent to the influence of TMC and other
signal system improvements on traffic congestion.
Methodology:
Delay was calculated by subtracting the freeflow travel times from Inrix data with the
recorded travel times for Logical Segments and Corridors for all the analyzed corridors in
the City of Diamond Bar.
TRAVEL COST
About the Indicator:
Increased travel costs may be experienced by travelers using congested facilities.
Understanding where travel costs are relatively high or low in an area improves the
ability to identify areas wherein management efforts have improved conditions as well as
Diamond Bar Arterial Periormance Report Card
April 2015
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areas that may need attention. Typically travel costs consist of two types of costs: 1)
delay cost associated with the travel time delay experienced by travelers; and 2) gas cost
associated with fuel consumption for the travel.
Methodoloay:
Delay cost was calculated by multiplying the total hours of delay by hourly labor rate
(e.g., dollars per hour). Based on the 2014 Tiger Benefit -Cost Analysis (BCA) Resource
Guide prepared by Department of Transportation (http://www.dot.gov/tiger), an average
hourly labor rate of $20 was applied to this study. Gas cost was calculated based on the
fuel consumption and historical fuel prices obtained from US Energy Information
Administration for the LA County as described in the previous section. Travel costs were
then calculated using the sum of delay costs and gas costs for each Logical Segment,
Corridor, and the City.
Table 2 on next page summarizes the brief descriptions, data sources, calculation
methodologies, and purpose of all the traffic input data and indicators used for the
Report Card analysis.
In addition to the congestion indicators described above, the other following
indicators/performance measures will be evaluated for consideration in the future year
congestion monitoring effort.
• Level of Service
• Intersection Queue Lengths
• Hot Spots/Bottlenecks
• Person Miles of Traveled
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April 2015
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Table 2
Description of Study Segment Attributes
Data Field
Description
Source/Calculation
Purpose
Segment Length
Length of the segment in
INRIX
Input
miles
Measured vehicular travel
Segment Travel Time
time across the segment in
INRIX
Indicator
minutes
Measured average speed of
Segment Speed
vehicular travel in the
INRIX
Indicator
segment in miles per hour
Average freeflow speed of
Reference Speed
vehicular travel in the
INRIX
Input
segment in miles per hour
Average number of vehicles
City of Diamond Bar ADT and
Volume
passing through the
peak -to -daily traffic ratio from
Input
segment between 5:00 PM
peak period intersection
and 6:00 PM (weekday)
counts: (ADT*10.35%)
Travel time across segment
(Segment Length)/ (Reference
Freeflow Travel Time
based on freeflow speed in
Speed)
Input
minutes
Delay
Delay per vehicle, based on
(Freeflow Travel Time) —
Indicator
freeflow conditions
(Segment Travel Time)
VMT
Vehicle miles traveled on
(Segment Length)*(Volume)
Indicator
segment
Estimated cost of gasoline
Cost of Gasoline'
on segment, based on
Fuel consumption*$3.5 dollars
Indicator
dollars per mile by speed
per gallon
bin
Estimated CO2 emissions by
VMT*(Grams of CO2 per mile
CO2 Emission
segment, based on
lookup table — see Table
Indicator
emissions per mile by speed
1)*2.2046/1000
bin
Estimated fuel consumption
Fuel Consumption
on segment, based on
VMT*(gallons per mile lookup
Indicator
gallons per mile by speed
table — see Table 1)
bin
Notes:
1. Gas cost based current averaged gas prices in the City of Diamond Bar
2. EMFAC 2011 Emission Rates
3. Fuel consumption
rate based upon US EPA emissions -to -consumption conversion
factor
(8887 grams of carbon dioxide / gallon ofgasoline)
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6. RESULTS & FINDINGS
The final step of the Report Card workflow is to estimate savings and changes in
congestion between—sturfy--years._ _T -able -3 below -shows -the two major -performance -
measures (delay and fuel consumption) for each of the analysis years during the PM
peak hour and on an annual basis. During the PM peak hour, the total delay on the
analysis City streets has decreased from 320 vehicle -hours in 2009 to 280 vehicle -hours
in 2013; while similar trend occurred for total fuel consumption which reduced
approximately from 2,400 gallons in 2009 to 2,200 gallons in 2013. On an annual basis,
the total delay on the analysis City streets has decreased from 1,168,000 vehicle -hours in
2009 to 1,022,000 vehicle -hours in 2013; while similar trend occurred for total fuel
consumption which reduced approximately from 8,680,500 gallons in 2009 to 8,098,900
gallons in 2013. The overall reduction between 2009 and 2013 was approximately 12%
in total delay and 7% in fuel consumptions.
Table 3
Citywide Corridor Operational Performance
PM Peak Hour
Annual
Year Delay
Fuel Consumption
Delay
Fuel Consumption
(Veh-Hr)
(Gallons)
(Veh-hr)
(Gallons)
2009 320
2,378
1,168,000
8,680,500
2011 290
2,222
1,058,500
8,108,600
2013 280
2,219
1,022,000
8,098,900
1,200,007
1,150,000
1,100,000
1,050,000
1,000,000
950,000
903,000
Annual Peak Hour Delay (Veh-hr)
Annual Peak Hour Fuel Consumption (Gallons)
8,8m,000
8,600,007
8,400,000
8,200,000
8,000,000
7,800,000
2009
2009 2011 2013
0
2011
0
2013
Diamond Bar Arterial Performance Report Card
April 2015
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The total delay and fuel consumption changes were calculated into transportation
operational benefits (in dollars), which were then compared to the capital and
operational costs provided by the City to identify the returns of the investments between
2009 and 2013. The results are summarized in Table 4.
Table 4
Benefit/Cost Analysis
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Annual Delay Savings
$2,190,000
$730,000
Fuel Consumption Savings
$2,230,410
$38,800
Total Savings (Benefits)
TMC Installation
$4,420,410
20092013
$700,600
$768,800
TMC Routine Maintenance
$370,000
$370,000
TMC Operation/System Maintenance
$40,000
$40,000
BBS Units - 2010 & 2011 - 15 Units Total
$57,000
$149,000
CCTV Cameras - 2012
--
$117,000
Total Cost
$1,167,600
$676,000
Benefit/Cost Ratio
3.8
1.1
Between 2009 and 2011, the total transportation benefits were calculated to be over $4
million based on the delay and fuel consumption savings. On the contrast, the total
costs the City invested on TMC installation, TMC maintenance, and BBS were
approximately $1.2 million during the two years. This resulted in a ratio of benefit/cost
of 3.8 between 2009 and 2011, and the significant operational benefits were largely
caused by the TMC in full operation and also partly resulted from the steady traffic
demand due to economy in the "down" time.
The operational benefits between 2011 and 2013 are moderate compared to the prior
two years due to increased traffic demand on City streets as economy got better.
However, the overall transportation benefits gained between 2011 and 2013 were still
higher than the costs by approximately $100,000.
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April 2015
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Amer°ial Cavvidar-Level Evaluation
In addition to the citywide arterial performance evaluation, the corridor -level evaluation
was also performed on the arterials focusing on travel speeds and travel time along the
study corridors during the PM peak hour. The comparison in travel speed and travel
time between 2009, 2011, and 2013 is summarized in TaWe S. As shown, a majority of
(12 out of 16) arterials have experienced improved travel speeds and reduced travel
times in 2011 or 2013, in comparison to 2009, except for eastbound Grand Avenue,
northbound and southbound Brea Canyon Road south of Pathfinder Road, and
northbound Diamond Bar Boulevard. The overall average travel speed along the arterials
has increased from 29 mph in 2009, to 30 mph in 2011, and to 31 mph in 2013. Figures
3 throw display the average speeds for each of the arterials during 2009, 2011, and
2013, respectively. Figure shows the speed changes between 2009 and 2011, while
the speed changes from 2011 to 2013 are shown in Figure 7.
Table 5
Arterial Corridor PM Peak Hour Travel Speeds and Travel Tune Comparison
Arterial
Travel Speeds (mph)
Travel Time (minutes)
2009
2011
2013
2009
2011
2010
Grand Ave - EB
31
27
27
4.5
5.2
5.2
Grand Ave - WB
33
33
34
4.2
4.3
4.1
Lemon Ave - NB
26
29
27
1.0
0.9
1.0
Lemon Ave - SB
24
27
29
1.1
1.0
0.9
Golden Springs Dr - EB
30
31
29
10.9
10.4
11.1
Golden Springs Dr - WB
30
31
32
10.9
10.3
10.1
Brea Canyon Rd (N of Pathfinder) - NB
29
32
33
3.5
3.1
3.0
Brea Canyon Rd (N of Pathfinder) - SB
28
28
29
3.5
3.6
3.4
Pathfinder Rd - EB
30
33
34
3.1
2.8
2.7
Pathfinder Rd - WB
35
33
36
2.6
2.8
2.6
Brea Canyon Rd (S of Pathfinder) - NB
28
26
26
4.0
4.3
4.3
Brea Canyon Rd (S of Pathfinder) - SB
30
30
30
3.8
3.8
3.8
Diamond Bar Blvd - NB
32
30
30
13.3
13.9
14.1
Diamond Bar Blvd - SB
32
34
35
13.4
12.3
12.0
Chino Hills Pkwy - E8
36
38
40
2.1
2.0
1.9
Chino Hills Pkwy - WB
37
40
42
2.0
1.9
1.8
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April 2015
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- Less than 20 MPH iJ Diamond Bar City Limits
20-30 MPH
More than 30 MPH
shim
Hills
Figure 3
Average Speed in 2009
Diamond Bar Arterial Perormance Report Card
April 2015
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20 MPH or less i__j Diamond Bar City Limits
20-30 MPH
30 MPH or more
Figure 4
Average Speed in 2011
I
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20 MPH or less -" Diamond Bar City Limits
20-30 MPH
30 MPH or more
Figure 5
Average Speed in 2013
Diamond Bar Arterial Performance Report Card
April 2015
Page 22 of 25
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Figure G
Change in Average Speed in 2009 a 2011
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April 2015
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�— Speed Decrease i� Diamond Bar City Limits
No Change
Speed Increase
r
Chin(
Hills
Figure 7
Change in Average Speed in 2011 - 2013
Diamond Bar Arterial Performance Report Card
April 2015
Page 24 of 25
Web -Based GIS Monitoring Tool
As described earlier, although the focus of this Report Card is to summarize the citywide
and corridor -level arterial operational performance for the study years between 2009,
2011, and 2013, a web -based GIS tool that contains the detailed performance measures
for each roadway segment of the study arterial corridors was also developed as part of
this project to support the regular monitoring efforts.
The web -based GIS tool contains the relative changes in travel time, speed, delay, and
gas costs along roadway segments in the City of Diamond Bar. These segment level
results provide additional details that will be used to help pinpoint potential areas of
concern if any. For example, Grand Avenue in the eastbound direction showed an
average speed of 27 mph for the corridor as a whole during the PM peak hour in 2013;
however, the Grand Avenue segment near the SR -57/60 interchange showed a speed of
lower than 20 mph, the segment east of the interchange to Diamond Bar Boulevard had
a speed of 20-30 mph, and Grand Avenue east of Diamond Bar Boulevard showed a
speed of 30 mph or above. The segment -level data helps to identify potential hot spots
along the corridor, and in the case of Grand Avenue eastbound, the segment -level
speeds indicated the hot spot for Grand Avenue was near the SR -57/60 interchange in
the PM peak hour.
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7. RECOMMENDATIONS
This Arterial Performance Report Card provides a baseline 2009 arterial operational
performance evaluation, a comparison of corridor performance between 2009, 2011, and
2013, and benefit/cost analysis to provide a better understanding of the returns of
investments to general public and decision makers. The following list includes
recommendations to consider for future Report Cards:
• Future Data Collection: Future Report Card studies would benefit from up-to-
date traffic count data for study segments in the area where city staff anticipate
changes in usage in the future. We recommend collecting traffic counts on city's
streets on a biannual basis, and the next round of traffic counts collection is
scheduled to be in September 2015.
• Construction Monitoring: Multiple construction activities are beginning or will
begin soon in the City of Diamond Bar, which will likely result in significant traffic
pattern changes for various City streets. We recommend collecting arterial
speeds and monitoring arterial performance more frequently (e.g., monthly)
during the construction period and providing effective traffic management
solutions/strategies before concerns arise from residents and business owners.
• Incorporation of Routing Data: Additional big data resources such as GPS
routing data could be useful in determining increases/decreases in specific route
usage over time in Diamond Bar. This could help identify potential focus areas in
conditions that may encourage drivers to seek alternative routes, especially
during construction or when accidents occur. We recommend collecting GPS
data which is used to understand the usage of specific routes and develop
strategic signal timing improvements to achieve balanced use of the routes to
relieve congestion for certain routes by diverting traffic to alternative
uncongested routes.
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