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HomeMy WebLinkAboutKittelson_Diamond Bar OnCall Traffic and TransportationMarch 17, 2026 Christian Malpica Associate Engineer/Project Manager City of Diamond Bar Department of Public Works 21810 East Copley Drive Diamond Bar, CA 91765-4178 RE: CITY OF DIAMOND BAR – PROPOSAL FOR ON-CALL PROFESSIONAL TRAFFIC AND TRANSPORTATION ENGINEERING SERVICES Dear Christian Malpica: Kittelson & Associates, Inc. (Kittelson) provides on-call traffic engineering and transportation planning services to agencies throughout California, including extensive experience supporting municipal public works departments on an as-needed basis. Our staff has led on-call professional services contracts for cities including Anaheim, Gardena, Irvine, Chino Hills, Los Angeles, Ventura, San Bernardino, Oakland, Dublin, Concord, and San Francisco. This experience allows Kittelson to respond quickly and efficiently to task orders while delivering high-quality, timely work products. Kittelson routinely performs traffic engineering and transportation planning services consistent with the City’s scope of work, including VMT-based transportation impact analyses, traffic operations analyses, parking and shared parking studies, active transportation planning, roundabout conceptual design and assessments, traffic calming evaluations, traffic signal design, and peer review of traffic studies. Our team emphasizes a multimodal approach to ensure all modes of travel are appropriately considered and accommodated within the transportation network. Kittelson also has experience supporting traffic management systems and adaptive signal operations. Mingmin Liu will serve as Project Manager for this contract and will be supported by Tim Erney as Project Principal. As a Senior Principal at Kittelson, Tim is authorized to negotiate contracts with the City. The proposed team is supported by a strong bench of technical subject matter experts, providing the City with in-depth, state-of-the-practice traffic and transportation engineering and planning expertise from our regional headquarters in Orange. If you have any questions or require additional information regarding our qualifications or services, please contact me at (510) 433-8084 or mliu@kittelson.com. Sincerely, KITTELSON & ASSOCIATES, INC. Mingmin Liu, RSP1 Tim Erney Senior Engineering Associate/Project Manager Senior Principal Planner/Project Principal City of Diamond Bar | Proposal 2 FIRM BACKGROUND Kittelson & Associates, Inc. (Kittelson) has provided transportation engineering, planning, and research services to public agencies and private organizations since 1985. Today, Kittelson has a staff of more than 425 in 30 offices across the US, including three offices in California (Orange, San Diego, Oakland, and Sacramento). With this breadth of staffing, Kittelson is able to meet client needs with national expertise and local experience. Kittelson’s Southern California regional office, located in the city of Orange, was established in 2014 and is currently staffed by engineers and planners who have been providing traffic engineering/operations, safety and multimodal planning services to cities and agencies throughout Orange and Los Angeles Counties. Through this work, Kittelson has developed deep familiarity with local, regional, and state transportation engineering and design requirements, including best-practices and context-sensitive treatments; we have experience working with guidance and requirements from the California Manual of Uniform Traffic Control Devices (CAMUTCD) and the California Highway Design Manual (HDM), and have contributed to national guidance such as the Highway Safety Manual (HSM). Unique skills and services that Kittelson brings within this specialization area include: /Traffic operations analysis /Safety evaluations /Signing and striping plans /Multimodal transportation planning /Vehicle-miles traveled (VMT) calculations /Travel demand modeling /Land use alternative evaluation /Smart mobility /Transit operations analysis Kittelson specializes in tailoring and linking these analysis tools to provide a wide array of information for multi-modal, air quality and environmental justice regional performance measure evaluation. We also possess recent and local experience working with cities, regional agencies and Caltrans to develop concept designs, signing/striping plans, and documentation for projects along local and state facilities. On-Call Professional Consulting Services Kittelson brings significant experience in the management and execution of multiple simultaneous task orders under on-call contract structures. Within the last five years, Kittelson has been involved in more than 30 on-call contracts providing transportation engineering and planning services to various cities and regional agencies in California. Our team includes licensed professional engineers and traffic engineers as well as certified transportation planners who together address the full range of services identified in the RFP that will be required by the City. 3 Kittelson & Associates, Inc. | March 17, 2026 Professional On-Call Traffic and Transportation Engineering Services /Bicycle/Pedestrian Planning: Bicycle and pedestrian master plans, pedestrian and bicycle safety analysis, bikeway design and engineering, alternatives analysis, before/ after studies, universal/accessible design, and research. /Transportation Planning: Transportation elements of specific plans and master plans, travel demand estimates, impact analysis for CEQA/NEPA documents, and CEQA reform (including SB 743). /Transit Planning: Systems planning, transit operations assessments, transit corridor alternatives evaluations, transit station area planning, and transit funding and policy development. /Grant Application Support: Assistance with preparation of applications for funding from federal, state, and local grant programs; identification of viable public and private funding options; site visits and other information gathering; cost-benefit analysis for project prioritization; evaluation of projects for funding competitiveness; development of conceptual designs and cost estimates to support grant applications; writing and assembling of applications. /Research: Research activities for NCHRP, TCRP, AASHTO, FHWA, state DOTs, development of education and training materials, and preparation of elements for the Highway Safety Manual, Highway Capacity Manual 2010, Traffic Signal Timing Manual, and Transit Capacity and Quality of Service Manual. Traffic and Transportation Engineering Services Kittelson is able to offer the City of Diamond Bar full traffic and transportation engineering services under this contract. Services include: /Traffic Operations: Level-of-service analyses, signal phasing and timing plans, intersection control evaluations (ICE), before/after analyses for transportation improvements, ramp metering feasibility plans/ implementation, traffic impact studies, and traffic data collection. /Development Services: Site assessments, site design and circulation studies, access control, parking layouts, transportation demand management plans, transportation management plans for construction phases, and public process and approvals support. /Geometric Design: Planning, design and operations of intersections and interchanges; traffic signal design, signing & striping plans, and roundabout planning/design. /Safety Analysis: Intersection safety evaluations, road safety audits, systemic safety analysis report (SSAR) projects, statewide safety programs and training courses, authorship of the Highway Safety Manual (HSM), and development of safety prioritization programs. /Travel Demand Forecasting: Model updates for smart growth and multi- modal evaluations, on-call travel demand modeling services, land use and roadway inputs, application of model output, development of growth rates, and regional model development. /Multimodal Planning: Complete streets design, multimodal level of service, active transportation planning, alternative signing and striping plans, and performance standards We have identified additional technical support staff to ensure that task orders are delivered smoothly and provide technical depth to the City’s projects. Each of the identified staff have worked with Mingmin, Tim, and the rest of the project team to support similar traffic and transportation engineering efforts throughout the region and California more broadly. Tim will support Mingmin by conducting quality assurance activities to ensure the work conducted and deliverables produced follow Kittelson’s quality control procedures. These quality measures are described in more detail in the Approach section. MEET YOUR TEAM Mingmin Liu, as the overall team’s project manager, will work with Tim Erney (project principal) and the task leads to direct the work to be completed, conduct quality control of the work and associated deliverables, ensure the work remains on schedule and within budget, and, as needed, to problem-solve around issues that may arise. Each of the named staff have the expertise, capacity, and availability to begin work on any task order issued by the City of Diamond Bar and remain during the term of agreement. In the event of any changes in lead personnel during the term of the agreement that are outside of our firm’s control or at the City’s request, Mingmin will coordinate with the City project manager to introduce new lead staff and gain City approval of the proposed change. Resumes for Lead Personnel identified on the organization chart below are on the following pages. PROJECT PRINCIPAL Tim Erney TRANSPORTATION PLANNING / COORDINATION Lead: Michael Sahimi, AICP DESIGN/PS&E/PLAN CHECKING Lead: Wade Scarbrough, PE Samantha Liu, PE CITY OF DIAMOND BAR PROJECT MANAGER PROJECT MANAGER Mingmin Liu, RSP1 TRAFFIC STUDIES Lead: Fernando Sotelo, TE, PTP Qiming Sun, EIT TRAFFIC MANAGEMENT SYSTEMS / SIGNAL OPERATIONS Lead: Mingmin Liu, RSP1 MINGMIN LIU, PE, RSP1 | SENIOR ENGINEERING ASSOCIATE PROJECT ROLE Project Manager EDUCATION  MS, Civil Engineering, Purdue University  BS, Mechanical Engineering, Rose-Hulman Institute of Technology YEARS OF EXPERIENCE 8 LICENSES/CERTIFICATIONS  Professional Engineer: IN 12300062  Road Safety Professional Level 1 #EH903732 AFFILIATIONS  Institute of Transportation Engineers  Women in Transportation Seminar Mingmin Liu holds a master’s degree in civil engineering with a concentration in transportation and research experience on E-scooter trips and probe data analysis. In addition, she brings professional consulting experience on traffic operations and simulation analysis for traffic impact studies and freeways. Mingmin is skilled in making data-driven decisions for transportation challenges. PROJECT EXPERIENCE City of Livermore I-580 First Street Interchange Traffic Operations; Livermore, CA. The City of Livermore is preparing technical and environmental studies for the Vasco Road Interchange modification. Concurrently, the Valley Rail Link is preparing their own studies for the rail extension from Stockton to Pleasanton which will require widening the I-580 freeway median and selected bridge replacements. Kittelson prepared a traffic operations and forecasting assessment of the I-580/First Street interchange and bridge on an accelerated schedule to provide the City with key information needed to negotiate with the Valley Rail Link client. City of Livermore I-580/Vasco Interchange PA/ED; Livermore, CA. Kittelson is supporting the City of Livermore for the project initiation document (PID) and project approval and environmental document (PA&ED) phases of a project to improve the interchange at Vasco Road with I-580 in Livermore, CA. Mingmin is leading the traffic operations analysis on this project that will determine the most appropriate interchange form for the reconfigured intersection, perform and intersection control evaluation to determine ramp intersection control strategies (roundabout, signal, etc.), and determine the number of lanes needed to accommodate the projected demand under existing and future conditions. City of Alameda Citywide Roundabout Analysis; Alameda, CA. As part of an on-call transportation engineering contract, Kittelson worked with the City of Alameda on a comprehensive effort related to the potential location, design, and implementation of roundabouts throughout the city. Mingmin served as key staff on a task to provide peer review of a roundabout design on Pacific & Central Avenue/Third. MTC I-880 Express Lane Before/After Studies; Alameda County, CA. For the Metropolitan Transportation Commission (MTC), Kittelson conducted a Before Study (2016-2017) and an After Study (2020) related to the conversion of 44 lane miles (25 miles southbound, 19 miles northbound) of high-occupancy vehicle lanes to express lanes on I-880 between Oakland and Milpitas. Mingmin helped with the data management and preparation of the report. FDOT District 5 I-75 PD&E Traffic Study; Districtwide, FL. Under an existing on-call master agreement with Florida Department of Transportation (FDOT) District 5, Kittelson is conducting traffic/safety analysis and preparing Project Traffic Analysis Reports (PTARs). Mingmin assisted with traffic forecasting and building the VISSIM model for several different design alternatives. TIMOTHY ERNEY | SENIOR PRINCIPAL PLANNER PROJECT ROLE Principal-in-Charge/QA-QC EDUCATION  MCP Transportation Planning, University of California, Berkeley  MS Transportation Engineering, University of California, Berkeley  BS Mechanical Engineering, Boston University YEARS OF EXPERIENCE 28 AFFILIATIONS  American Planning Association (APA), Member  Institute of Transportation Engineers (ITE), Member Tim Erney is a transportation planner with extensive experience on planning and engineering projects in California. His primary focus has been on managing analyses and documentation for conceptual/final design projects, access and circulation studies, sustainable transportation practices, travel demand management (TDM) measures, parking evaluations, pedestrian and bicycle reviews, and data collection programs. In addition, Tim has performed detailed technical analyses of local and regional roadway facilities, including traffic forecasting, modal split analyses, traffic diversion, grade crossing studies, and operational analyses. He has experience coordinating with local and regional transportation and environmental agencies in California and has been leading the firm’s efforts on the evaluation of emerging technologies, alternative evaluation metrics, and the impacts of new mobility services on land use and circulation networks. PROJECT EXPERIENCE City of Anaheim On-Call Transportation Engineering/Planning Service; Anaheim, CA. Tim is the project manager for an on-call transportation planning and traffic engineering services contract with the City of Anaheim Public Works Department. Circulation Element Update. Tim is managing the preparation of an update to the Circulation Element of the General Plan. This will include new goals, policies and infrastructure projects to support anticipated new development across the city, including specific approaches to address multimodal travel, active transportation, transit, and shared-mobility services. Transportation Impact Fee Update. As project manager, Tim is managing an update to the citywide TIF, which will help fund implementation of multimodal improvements, including transit and active transportation projects. The project includes a nexus study to support the linkage between the new fees and the anticipated development levels. Transit Options Review. Kittelson provided planning support to the Mayor’s Transit Option Task Force, a group representing major public and private stakeholders that may benefit from the implementation of a new, fixed-guideway transit system in the Anaheim Resort Area. Tim is the project manager for this project, which included identifying new transit mobility options to provide high-quality connections between major destinations, including the Anaheim Convention Center, Angel’s Stadium, the Honda Center, and Disneyland.  Broadway and Anaheim Boulevard Intersection Control Evaluation. Kittelson led the intersection control evaluation of Broadway and Anaheim Boulevard. As project principal, Tim oversaw the data collection and helped conduct the intersection analysis, comparing the operational analysis for a roundabout alternative against the existing traffic signal operations. MICHAEL SAHIMI, AICP | SENIOR PLANNER PROJECT ROLE Multimodal Planning Lead EDUCATION  Master of Urban and Regional Planning, Transportation Policy and Planning, University of California, Los Angeles  BA, Urban Studies, University of California, Irvine  BA, Criminology, Law, and Society, University of California, Irvine YEARS OF EXPERIENCE 11 LICENSES/CERTIFICATIONS  Certified Planner, American Institute of Certified Planners, #32066 AAFFFFIILLIIAATTIIOONNSS  American Planning Association (APA), Member Michael Sahimi is a senior transportation planner with 10 years of experience conducting CEQA and non-CEQA multimodal transportation assessments for land use and transportation projects. Michael has extensive experience in CEQA and the technical aspects of transportation planning, including vehicle operations analysis, VMT impact analysis, travel demand forecasting, and non-motorized assessments. His work in Southern California has also included active transportation planning, conceptual design, multimodal safety analysis, and community engagement. PROJECT EXPERIENCE City of Anaheim Circulation Element Update; Anaheim, CA. Kittelson is preparing an update to the Circulation Element of the General Plan, which will outline the future transportation network, goals, and policies for the City for the next 10 years. For this effort, Kittelson has assessed existing and future conditions, determining how new development potential (such as Disneyland Forward, OC Vibe! and Big A:2050) could affect transportation conditions. From this assessment, Kittelson will identify citywide roadway improvements to minimize congestion. Kittelson has developed new goals and policies to plan for future mobility services, including shared-ride vehicles, micro-mobility, micro-transit, active transportation, connected/autonomous vehicles, and local transit. As deputy project manager, Michael has led the preparation of public and stakeholder outreach materials, citywide LOS analysis, and multimodal goal and policy recommendations. City of Lake Forest General Plan Update and Environmental Impact Report (EIR); Lake Forest, CA. Kittelson conducted a transportation analysis for the Lake Forest General Plan Update and Environmental Impact Report (EIR) document as well as developed the General Plan’s transportation policies and objectives. Michael’s role included examining existing transportation conditions to establish a baseline and understand the city’s transportation needs; he developed the mobility element with goals, policies, and a circulation network to accommodate the City’s buildout. As part of the environmental documentation, Michael assisted in incorporating land use alternatives into the City’s travel demand model, prepared a transportation analysis for the EIR, and worked with the City to develop SB 743-consistent VMT metrics to assess the General Plan Update’s transportation impacts under CEQA. FERNANDO SOTELO, TE | PRINCIPAL ENGINEER ROLE Traffic Studies EDUCATION  MS, Civil Engineering (Transportation), University of Southern California  BS, Naval Engineering, University of Sao Paulo, Brazil YEARS OF EXPERIENCE26 LICENSES/CERTIFICATIONS  Professional Traffic Engineer: CA #2770 AFFILIATIONS  Institute of Transportation Engineers  Orange County Traffic Engineers Council Awards Fernando Sotelo has extensive experience in the technical aspects of transportation planning, including travel demand forecasting, traffic impact analyses, and parking demand studies. His experience with traffic and parking analyses includes several schools and a variety of land development uses, such as warehousing, mixed use, commercial, and recreation projects. Fernando understands the complexities of transportation planning and has prepared transportation sections of Environmental Impact Reports for major projects such as general plan updates and specific plans. Fernando has also been involved with assisting cities in the implementation of VMT metrics for environmental review to comply with new requirements to use VMT as the metric to evaluate transportation impact. Efforts include reviewing strategies and programs to identify reductions to the use of single occupancy automobiles, promote the use of TDM measures to reduce VMT from land use projects, and identify potential VMT reduction programs. PROJECT EXPERIENCE Laurel Elementary School Circulation and Parking Study; Brea, CA. Fernando served as project principal for the preparation of a traffic circulation and parking study for Laurel Elementary School. In addition to conducting the study, Fernando led a stakeholder meeting with school staff and parents, the school district, City public works and police to discuss issues and potential solutions. Physical and operational recommendations were prepared to improve parking and traffic within and in the vicinity of the school campus. Several phases of improvements were prepared, ranging from low-cost short-term, to costly long-term reconfigurations. City of Fontana Downtown Core Project; Fontana, CA. Kittelson developed a circulation plan with substantial modifications to the downtown area and prepared a transportation analysis for proposed Downtown Core Project. Kittelson provided conceptual designs to accommodate a substantial amount of traffic, bicycle and pedestrian activity in the area, while considering constraints with the available roadway right of way. Several concepts were considered including roundabouts, angled and parallel parking configurations, and several bike and transit facility configurations. Fernando served as the technical lead and project manager. Traffic Impact Analysis for the Wellbrook Senior Living Facility; Fountain Valley, CA. Fernando was the technical lead for the Traffic Impact Analysis (TIA) for the Wellbrook Senior Living Facility, to be constructed on a vacant lot in the city of Fountain Valley. Existing traffic conditions were used as the baseline for the analysis and to evaluate the potential impacts of the proposed project. The overall purpose of the TIA was to inform the City’s decision makers and the general public if the proposed project would result in any significant impacts. The TIA evaluated existing and future traffic conditions at several intersections around the project study area, site access, internal circulation, and vehicular queuing. WADE SCARBROUGH, PE | SENIOR PRINCIPAL ENGINEER PROJECT ROLE Signing & Striping, Design Lead EDUCATION  BS, Civil Engineering, University of Idaho YEARS OF EXPERIENCE 29 LICENSES/CERTIFICATIONS  Professional Engineer: CA (#75332), OR (#65552), WA (#48729)  Oregon Department of Transportation Traffic Signal Inspector (#43474) AFFILIATIONS  Institute of Transportation Engineers Wade routinely performs transportation studies and develops geometric plans for systems ranging from trail crossings to major arterial corridors. He is particularly adept at generating and refining conceptual transportation solutions that safely and seamlessly accommodate all modes, contribute to the quality of the place that is being created/enhanced, and are responsive to design standards and budget realities. His experience includes preparing plan, specification, and cost estimate (PS&E) documents for traffic design elements including roundabouts, traffic signals, intelligent transportation system (ITS) applications, signing & striping, street lighting, and traffic control and detour plans. Throughout his career, Wade has worked collaboratively with agencies to evaluate and implement multimodal transportation enhancements. PROJECT EXPERIENCE City of Happy Valley 172nd Avenue/190th Drive Corridor Plan Update; Happy Valley, OR. As project manager, Wade led developing corridor concepts from the initial vision concepts stage, which consisted of broad alignment and network options, and 15% design level plan and profile plans of the final selected alternative. Throughout the process, he worked closely with public stakeholders, technical agency staff, multidisciplinary team members, and the project management team to evaluate and screen each of the concepts with respect to the project evaluation criteria. Wade was responsible for documenting the design/evaluation processes at each stage, and he presented the project findings and recommendations to the numerous adoption agencies involved. City of Tigard 72nd Avenue/Dartmouth Road Intersection Improvement; Tigard, OR. Working with a multidisciplinary team, Wade assisted in developing preliminary geometric plans for intersection improvements, which involved preparing final signing, striping, and street lighting designs. He reviewed and coordinated with the development team that prepared the signal design. Washington County Baseline Road Improvements; Washington County, OR. As project manager, Wade led the final preparations of the PS&E documents for three traffic signal modifications, new street lighting, signing & striping, and traffic control plans. He designed approximately 4.5 miles of new fiber-optic interconnect communication along Baseline Rd. and Brookwood Pkwy, including several new ITS cabinets and pan, tilt, zoom cameras. ODOT OR 99W Denver Avenue/Schmeer Road; Portland, OR; Project Manager. Wade designed the new traffic signal at N Denver Ave. (OR 99W) /N Schmeer Rd. and the interconnect system along N Denver Ave. Constructed by ODOT and operated by the City of Portland, this new signal system required coordinating with both agencies to ensure that the design standards and operational needs of both agencies were met. City of Diamond Bar | Proposal 10 COMPARABLE PROJECTS City of Anaheim On-Call Transportation Engineering/Planning Services CONTACT PERSON: Rafael Cobian, 200 S. Anaheim Blvd., Anaheim, CA 92805, 714.765.4991 Since 2017, Kittelson has held an on-call contact for transportation planning and traffic engineering services with the City of Anaheim Public Works Department. As part of the contract, Kittelson has been providing planning, operations, design, technical support, and management support to the City. Task orders have included the following: /Broadway & Anaheim Boulevard ICE: Kittelson provided conceptual design services for a roundabout at the intersection of Broadway and Anaheim. For the first phase of this project, Kittelson prepared an Intersection Control Evaluation (ICE) memorandum. Kittelson collected weekday and weekend peak multimodal volumes and conducted a site visit to ensure that the proposed roundabout’s design would accommodate vehicles, pedestrians, bicyclists, and transit. The memorandum included level of service and queuing analysis and a recommended roundabout configuration. Following this technical analysis and recommendation, Kittelson developed an initial roundabout configuration at a scaled sketch planning level over aerial photography; this design concept included recommended bicycle and pedestrian facilities and potential right-of- way impacts around the roundabout. /Transportation Impact Fee Update. Kittelson is leading an update to the citywide transportation impact fee (TIF) program, which will be focused on providing active transportation and transit infrastructure to support the anticipated new development. As the current fee is designed to primarily support roadway widening and intersection improvements, new projects are being developed to improve mobility and circulation for all modes of travel. To support the new TIF, a nexus study is being prepared to provide the linkages between the projects and the fee. /Circulation Element Update: Kittelson updated the circulation element of the General Plan, which outlines the future transportation network, goals, and policies for the City for the next 10 years. Kittelson assessed conditions at 250 intersections throughout the city, determining how new development potential could affect operations at intersections of major arterial roadways. From this assessment, Kittelson identified citywide roadway improvements to improve congestion. Kittelson also helped develop new policies to plan for future mobility services, including shared-ride vehicles, micromobility, microtransit, active transportation, connected/autonomous vehicles, and local transit. Kittelson updated the City’s transportation impact analysis guidelines to account for the new polices and ensure consistency with statewide Senate Bill (SB) 743 requirements. 11 Kittelson & Associates, Inc. | March 17, 2026 Professional On-Call Traffic and Transportation Engineering Services /ATAM Update: Kittelson is supporting an update to the City’s travel demand model (ATAM) to account for the new Circulation Element and major development projects. The highlight of this work is the creation of a post-processor that will allow easy conversion of the model link volumes to intersection turning movement volumes for use in the intersection operations analysis. City of Orange On-Call Traffic Engineering Services CONTACT PERSON: Larry Tay, City Traffic Engineer, 300 E. Chapman Ave, Orange, CA 92866, 714.744.5525 Kittelson is providing on-call traffic engineering services to the City of Orange in support of their municipal transportation needs. Services provided under this contract include traffic studies, data collection, operational analysis, safety evaluations, and technical memoranda. Delivered on an as-needed basis, Kittelson coordinates closely with agency staff to support timely decision-making. /Maple Avenue Before and After Study: Kittelson is conducting a before-and-after study evaluating the impacts of speed cushion installation on Maple Avenue. The work includes traffic speed and volume data collection, diversion analysis on parallel corridors, and technical memoranda documenting findings and recommendations for the City of Orange. City of Gardena On-Call Traffic Studies CONTACT PERSON: Lisa Kranitz, 1700 West 162nd Street, Gardena, CA 90247, 310.450.9585 Kittelson has prepared transportation analyses for multiple projects within the city of Gardena. As part of these studies, Kittelson has conducted VMT impact analysis and local transportation assessments consistent with the City’s updated traffic study guidelines. The following are a sample of our work in the city: /Evergreen Row Townhomes: Kittelson prepared a local transportation assessment for this proposed residential project. The site is currently zoned as General Commercial, and the proposed project, which will require a zone change and a General Plan amendment, would provide 84 three-story attached townhomes with two affordable units. Kittelson determined that the project would be screened out of a detailed VMT analysis under the City’s guidelines, and conducted a local transportation assessment which included trip generation, distribution and assignment for the proposed project and nearby cumulative projects. /141st and Normandie Townhomes: Kittelson conducted a local transportation assessment for this proposed 50 three-story attached townhomes project. The site is currently zoned as Single Family Residential and Medium Density Multiple-Unit Residential, and the proposed project would require a zone change to Multiple-Unit Residential. Kittelson determined that the project would be screened out of a detailed VMT analysis under the City’s guidelines, and conducted assessments for the proposed project and nearby cumulative projects. /1108 West 141st Street General Plan Amendment and Zoning Change Project: Kittelson conducted a CEQA VMT impact analysis and a local transportation assessment for this mixed-use project. The site is currently designated Medium Residential and High Residential and currently provides surface parking for the Lucky Lady Casino located directly to the east. The proposed project includes a General Plan amendment and a zoning change to redesignate the property as General Commercial with a Mixed- Use Overlay. The transportation study City of Diamond Bar | Proposal 12 analyzed the project as a mixed-use project with hotel and restaurant components. Kittelson determined that the project’s hotel component would not screen out of a VMT impact analysis and conducted a VMT assessment of the hotel using the City’s spreadsheet-based VMT tool. Due to the impact findings, Kittelson developed mitigation measures, proposing a transit TDM strategy to reduce employee VMT to less-than-significant levels. Kittelson also conducted a local transportation assessment for the proposed project, a residential alternative, and nearby cumulative projects. /Hotel Development Standards General Plan & Zoning Code Amendment Project: The City recently proposed to amend the General Plan and Zoning Code to provide for new and revised development standards specific to amenity hotels. The project consisted of: 1) a General Plan Amendment to amend the Land Use Plan for the General Commercial and Industrial designations to allow for an increased floor area ratio (FAR) for specific uses or zones along major collectors and arterials; and 2) Zoning Code Amendments to amend the hotel development standards specific to amenity hotels and to provide minor clean-up and revisions to the Zoning Code. Kittelson conducted the VMT analysis in support of the CEQA documentation. This included preparing VMT mitigation measures to reduce VMT impacts at several locations proposed to have updated hotel standards. REFERENCES 1 Rafael Cobian City of Anaheim 200 S. Anaheim Boulevard Anaheim, CA 92805 714.765.4991 2 Larry Tay City of Orange 300 E. Chapman Avenue Orange, CA 92866 714.744.5525 3 Lisa Kranitz City of Gardena 1700 West 162nd Street Gardena, CA 90247 310.450.9585 REQUIRED STATEMENTS Terms and conditions outlined in the consulting services agreement attached to the City of Diamond Bar’s request for proposals are acceptable with the exceptions provided at the end of this document. Our firm has sufficient staff capacity and depth to support this on-call contract and to respond promptly to individual task orders as issued. The key personnel identified for this contract are currently available and have the flexibility to accommodate varying task order scopes, schedules, and levels of effort. Staffing resources will be assigned on a task-order basis to ensure timely completion of all work while maintaining continuity and responsiveness throughout the contract term.Gramercy PlMagnolia Ave W 164th StW163rdStS Western AveW Artesia BlvdYukon AveLaconia Blvd W el Segundo Blvd S Figueroa StCrenshaw BlvdW 135th St W 149th St W154thSt W 161st StBerendo AveArtesia Blvd ManhattanBeachBlvd S Hoover StW 182nd St W 146th StW 147th St Marine Ave RedondoBeachBlvd W 158th St W 178th St W Gardena BlvdVan Ness AveW168thStS Vermont AveS BroadwayDenker AveW Rosecrans Ave S Normandie AveLemoliAveW 170th St W 130th St W 139th St W Alondra Blvd W166thSt W 157th StBudlong AveW Marine Ave W Redondo Beach Blvd Northrop Ave W155thSt W 132nd St W 162nd St W 134th St Rosecrans Ave ∙þ91 §¨¦110 §¨¦405H:\25\25625 - Gardena Housing Element\GIS\traffic study - Figure 10 - Existing and Planned Bikeways.mxd Date: 8/29/2022Figure 10 Existing and Planned BikewaysGardena, CA [0 2,700FeetBike Path Bike Lanes Bike Route Bike Boulevard City of Gardena Gramercy PlMagnolia Ave W 164th StW163rdStS Western AveW Artesia BlvdYukon AveLaconia Blvd W el Segundo Blvd S Figueroa StCrenshaw BlvdW 135th St W 149th St W154thSt W 161st StBerendo AveArtesia Blvd ManhattanBeachBlvd S Hoover StW 182nd St W 146th StW 147th St Marine Ave Redondo BeachBlvd W 158th St W 178th St W Gardena BlvdVan Ness AveW168thStS Vermont AveS BroadwayDenker AveW Rosecrans Ave S Normandie AveLemoliAveW 170th St W 130th St W 139th St W Alondra Blvd W166thSt W 157th StBudlong AveW Marine Ave W Redondo Beach Blvd Northrop Ave W155thSt W 132nd St W 162nd St W 134th St Rosecrans Ave ∙þ91 §¨¦110 §¨¦405H:\25\25625 - Gardena Housing Element\GIS\traffic study - Figure 01 - City of Gardena.mxd Date: 3/8/2023Figure 1 City of Gardena [0 2,700FeetCity of Gardena 13 Kittelson & Associates, Inc. | March 17, 2026 Professional On-Call Traffic and Transportation Engineering Services The requested revisions to Section 9 of the City’s Consultant Services Agreement are intended to align the indemnification provision with California Civil Code section 2782.8, which governs indemnity and defense obligations for design professionals and is deemed incorporated into the Agreement by operation of law. As revised, the provision clarifies that any duty to indemnify or defend is limited to claims that arise out of, pertain to, or relate to the Consultant’s negligence, recklessness, or willful misconduct, and that any defense obligation may not exceed the Consultant’s proportionate share of fault. These changes do not eliminate the City’s statutory protections, but ensure the provision is enforceable, consistent with applicable law, and does not impose obligations that exceed those permitted for design professional services under California law. 9. Indemnification. To the maximum extent permitted by Civil Code section 2782.8, Consultant shall indemnify, defend with counsel approved by City, and hold harmless City, its officers, officials, employees and volunteers (“Indemnitees”) from and against all liability, loss, damage, expense, cost (including without limitation reasonable attorneys’ fees, expert fees and all other costs and fees of litigation) of every nature arising out of or in connection with: (1) Any and all claims under Workers’ Compensation Act and other employee benefit acts with respect to Consultant’s employees or Consultant’s contractor’s employees arising out of Consultant’s work under this Agreement; and (2) Any and all claims arising out of Consultant’s performance of work hereunder or its failure to comply with any of its obligations contained in this Agreement, regardless of City’s passive negligence, but excepting such loss or damage which is caused by the sole active negligence or willful misconduct of the City but only to the extent such claims arise out of, pertain to, or relate to the negligence, recklessness, or willful misconduct of Consultant. Should City in its sole discretion find Consultant’s legal counsel unacceptable, then Consultant shall reimburse the City its costs of defense, including without limitation reasonable attorneys’ fees, expert fees and all other costs and fees of litigation. Notwithstanding the foregoing, any duty or cost to defend shall not exceed Consultant’s proportionate percentage of fault, as determined in accordance with Civil Code section 2782.8. Upon a finding of liability by a court of competent jurisdiction, Tthe Consultant shall promptly pay any final judgment rendered against the Indemnitees. It is expressly understood and agreed that the foregoing provisions are intended to be limited by and interpreted consistently with as broad and inclusive as is permitted by the law of the State of California, including Cal. Civ. Code 2782.8 and will survive termination of this Agreement. Except for the Indemnitees, this Agreement shall not be construed to extend to any third-party indemnification rights of any kind. (3) To the fullest extent permitted by law, the Consultant agrees to indemnify and hold indemnitees entirely harmless from all liability arising out of any claim, loss, injury to or death of persons or damage to property caused by the negligent professional act or omission in the performance of professional services pursuant to this Agreement. The requested revisions to Section 12 of the City’s Consultant Services Agreement clarify when ownership of materials transfers, protect the Consultant’s pre‑existing intellectual property, and appropriately allocate risk associated with reuse or modification of the materials. Conditioning conveyance on full payment reflects standard professional services practice and ensures a fair exchange of value. The revisions also confirm that any pre‑existing tools, methodologies, or intellectual property used by the Consultant remain the Consultant’s property, while granting the City a license sufficient to use the materials for the purposes contemplated by the Agreement. Finally, the changes clarify that the Consultant should not be responsible for outcomes resulting from unauthorized modification, reuse, or reliance beyond the intended scope, which aligns with professional services norms and avoids unintended and uninsurable risk exposure. 12. Ownership of Materials. Except as specifically provided in this Agreement, and subject to Consultant’s receipt of full payment of all amounts due, all materials provided by Consultant in the performance of this Agreement shall be and remain the property of City without restriction or limitation upon its use or dissemination by City for the purposes contemplated by this Agreement. Notwithstanding the foregoing, Consultant retains all right, title, and interest in and to any pre-existing materials, proprietary information, methodologies, templates, know-how, or intellectual property of Consultant, whether or not incorporated into the materials delivered to City. To the extent any such pre-existing materials are incorporated, Consultant grants City a non-exclusive, royalty-free license to use them solely for the purposes contemplated by this Agreement. City shall not modify, reuse, or rely upon the materials for any other purpose without Consultant’s prior written consent, and Consultant shall have no liability for any unauthorized modification, reuse, or reliance. Consultant may, however, make and retain such copies of said documents and materials as Consultant may desire. The requested revisions to Section 19 of the City’s Consultant Services Agreement clarify that the “time is of the essence” requirement is subject to the applicable professional standard of care. An unqualified “time is of the essence” provision can be interpreted to impose strict or absolute liability for schedule adherence, which is inconsistent with the nature of professional services. Tying timing obligations to the professional standard of care preserves the City’s expectation of diligent and timely performance while ensuring the provision remains consistent with industry standards and does not create unintended or uninsurable obligations for the Consultant. 19. Time Is of the Essence. Time is of the essence in this Agreement, subject to Consultant’s performance of the Services in accordance with the applicable professional standard of care. Consultant shall do all things necessary and incidental to the prosecution of Consultant’s work consistent with such standard of care. City of Diamond Bar | Proposal 14 APPROACH AND METHODOLOGY The City of Diamond Bar must implement transportation network improvements to maintain quality of life while accommodating continued residential and commercial growth, increased multimodal travel, and regional through-traffic seeking alternatives to SR-57 congestion. These improvements must address local traffic and parking demands from entitled development while minimizing vehicle miles traveled (VMT) in compliance with state requirements. Kittelson offers experienced traffic engineering and transportation planning staff available to the City on an as-needed basis. Our team brings extensive on-call experience with agencies throughout Southern California, delivering VMT-based impact analyses, traffic operations and parking studies, active transportation planning, roundabout and traffic calming evaluations, traffic signal design, and peer review of traffic studies. All services emphasize a comprehensive, multimodal approach to ensure safe and efficient accommodation of all travel modes. SCOPE OF SERVICE TYPE Conduct or review traffic engineering studies, traffic operations analyses, and transportation planning studies. Kittelson has completed transportation impact analyses and EIRs in Orange County and throughout the Southern California region in support of development projects, specific plans, corridor studies, and citywide general plans. Key analysis steps are as follows: /Analysis Methodology: Determine the analysis methodology and assumptions consistent with the City’s TIA Handbook and analysis screening criteria. Confirm the analysis scenarios, study area, analysis tools, data sources, and significance thresholds with the City and review agencies. /Transportation Impact Analysis: Complete a Local Transportation Analysis (LTA) to demonstrate conformance with multi-modal transportation strategies, goals, and policies in the General Plan and address adverse effects to the transportation system. Complete technical transportation analyses and evaluate impacts to determine CEQA findings of significance (for EIR). The transportation impact analysis will consist of: existing study area conditions; approved projects and future background conditions; project trip generation; trip distribution and assignment; impact analysis and mitigation; and on-site circulation. The LTA may include LOS analyses if used for non- CEQA purposes. /Technical Report and Administrative Draft EIR (ADEIR): Prepare a standalone transportation technical report that will be used as the basis for the transportation section of the ADEIR. The report and ADEIR will summarize the analysis and significance findings. In addition, the transportation section will include the evaluation of project alternatives that would be proposed to reduce any significant impacts of the project. In conjunction with the technical report, we will provide information needed to prepare air quality/greenhouse gas emissions and noise studies (i.e., roadway segment traffic volumes, trip generation, and VMT for all scenarios). /Response to Comments and Final EIR: After the public review period closes, prepare responses to comments received on the transportation section of the DEIR. As needed, attend public hearings during the approval process. 15 Kittelson & Associates, Inc. | March 17, 2026 Professional On-Call Traffic and Transportation Engineering Services SCOPE OF SERVICE TYPE Conduct traffic calming analysis and design Kittelson offers the City experience with traffic calming evaluation and design, with recent neighborhood traffic calming experience across the state. The scope of services for a typical assessment and design is as follows: /Collect data including traffic volumes, vehicle speeds, and collisions by mode /Determine whether the City’s traffic calming standards are met. Standards may be for daily vehicle volumes, 85th percentile speeds, and/or collision patterns. /Identify potential design solutions, including the types of devices, locations/ spacing, and potential impacts. Develop one or more design concepts. /Conduct community outreach (survey or in-person field visits) to assess residents’ support for traffic calming devices /Develop draft and final PS&E for selected traffic calming devices SCOPE OF SERVICE TYPE Design traffic signal system including plans, specifications, engineer’s cost estimate and contract bid documents The Kittelson team has prepared signing, marking, and striping plans for complete streets projects throughout the state. Key scope tasks are as follows: /Complete traffic operations analysis for existing and future conditions /Collect additional data needed to support the development of the plans – for example, parking and loading zone utilization, pedestrian and bicycle volumes, and bus stop inventory /Determine intersection configurations, including turn lanes and queue length /Determine mid-block typical cross sections, including lane dimensions, parking and loading areas /Identify applicable design standards or standard details from the or Caltrans /Set up basemap and plan sheet layout /Prepare 35% plans /Prepare initial and final PS&E SCOPE OF SERVICE TYPE Perform technical studies and develop alternative analysis and preliminary engineering design Kittelson offers the City local and national experience in completing final design for transportation projects. Key scope elements are as follows: /Development of Scope and Work Plan: Before the contract award, we will ask to meet with City staff to discuss the specifics of the project, the City’s expectations, the nuances of the project, and the community’s expectations. In this way, we can develop the contract scope to directly reflect a mutual agreement among all parties. In addition, our work plan will be based directly on the scope of work. The smallest details of our work plan will be consistent with the City’s expectations, which will avoid surprises and misunderstandings during project delivery. /Field Visits and Data Collection: Our team members will gather all readily accessible background information on the project and will visit the site during scope development. This will confirm that our understanding of the project is as complete as possible, and will help to answer any technical questions prior to contract award. We would typically ask to make a field visit prior to contract award with a City representative familiar with the project, so that we can be on the same page regarding our project understanding and site constraints. /Conceptual/Preliminary Design: If conceptual design has not been completed, the Kittelson team will include preliminary design tasks in the scope of work for the project. The Kittelson team will analyze alternatives to determine relative impacts and prepare preliminary construction cost estimates to assist the City in evaluating each alternative. For each alternative, we will identify the right-of-way impacts and address the required environmental clearance and documentation. If conceptual/preliminary design tasks have already been completed, the Kittelson team will verify that no elements of the project require modification due to any updates in design standards or similar requirements that may have occurred between the conceptual design phase and the start of City of Diamond Bar | Proposal 16 final design. If elements require modification, the Kittelson team will promptly notify the City to ensure that a collaborative approach can be taken to resolving the issue. /Final Design: The completion of plans, specifications, and cost estimates—or PS&E—is the heart of the final design phase. This phase will also include the acquisition of any necessary right-of-way; the Kittelson team can produce legal descriptions, appraisal maps, and right-of-way maps necessary for any fee takes or temporary construction easements. The Kittelson team will prepare specifications and special provisions based on the local jurisdiction or City’s standards, “Greenbook” or Caltrans standard specifications, and other related agency standards if required. A construction cost estimate will be produced for the City, identifying all bid items. SCOPE OF SERVICES TYPE Provide traffic control device studies and design (signs, signals, pavement markings, electronic speed feedback signs and pedestrian beacons) The Kittelson team has prepared signing, marking, and striping plans for complete streets projects throughout the state. Key scope tasks are as follows: /Complete traffic operations analysis for existing and future conditions /Collect additional data needed to support the development of the plans – for example, parking and loading zone utilization, pedestrian and bicycle volumes, and bus stop inventory /Determine intersection configurations, including turn lanes and queue length /Determine mid-block typical cross sections, including lane dimensions, parking and loading areas /Identify applicable design standards or standard details from the City or Caltrans /Set up basemap and plan sheet layout /Prepare 35% plans /Prepare initial and final PS&E Quality Assurance/Quality Control Kittelson is committed to delivering high-quality work through a firmwide quality assurance and quality control (QA/QC) program that ensures deliverables meet project objectives and client expectations. The program is supported by internal QA/QC tools and templates available to all staff. Tim Erney, the project principal and a regional leader at Kittelson, oversees quality management for the City’s On-Call assignments. He is experienced in implementing Kittelson’s QA/QC processes and ensuring consistent, high-quality deliverables. All project deliverables are reviewed by task leads and the project manager and coordinated by a QA/QC manager. QA/QC roles, responsibilities, and review timelines are documented in an internal quality management plan and schedule, which can be shared with the City at the start of each task order. 17 Kittelson & Associates, Inc. | March 17, 2026 Professional On-Call Traffic and Transportation Engineering Services ADDENDUM NO. 1 DEPARTMENT OF PUBLIC WORKS ADDENDUM NO. 1 Professional On-Call Traffic and Transportation Engineering Services The following questions and responses to the Request for Proposals (RFP) shall be incorporated into the solicitation documents for the above-referenced Design Consultant Services project. This addendum forms part of the Contract Documents and the Consultant shall sign this page as acknowledgement of receipt of Addendum No. 1 and attach it to the RFP. David G. Liu, P.E. Date Director of Public Works/City Engineer Consultant's Authorized Signature