SECTION III
SCOPE OF WORK
RFP NO. 24-25.24
SECTION III: SCOPE OF WORK
All work shall be conducted on an as needed basis when requested in writing by the City Traffic Engineer or designated representative and according to the timeframe specified by the City. Work performed by the Consultant that has not be specifically identified and authorized by the City, will not be compensated.
The scope of work includes, but is not limited to:
• Traffic studies for capital projects
• Traffic and/or parking study review for private developments • Traffic signal design
• Traffic control plan preparations
• Plan check for capital/development projects and traffic control plans • Street light design and plan check
• Signing and striping plan preparation and plan check
• Traffic signal and street lighting construction inspection • Construction management and construction engineering
• Technical support for funding and grant application
• Grant funding oversight
• Intelligent transportation systems (ITS) design
• Traffic signal timing and coordination studies
• Traffic counts and data collection
• Neighborhood traffic calming studies, warrant studies, and traffic investigations • Special studies, civil design, and on-site support services may be requested • General municipal traffic engineering services
The City of Orange manages 160 traffic signals, over 8,000 streetlights, over 20 miles of fiber optic network, the Traffic Management Center (TMC), radar feedback signs, pedestrian crossing and overhead flashers, and other devices to facilitate the safety of the public and efficiency of traffic. The City of Orange expects consulting firms to have thorough knowledge in traffic signal, ITS systems, street light design to perform required services. Firms are also expected to understand federal/state/local fund ing and policies, as well as Orange County Transportation Authority (OCTA) Comprehensive Transportation Funding Program (CTFP) requirements. The ideal firm(s) will have expertise in the areas above or may specialize in one or more subareas and will be capable to provide technical services associated with the general traffic engineering needs of the City of Orange.
All design work and improvement plan check services shall be performed by or under the responsible charge of a California License Professional Engineer (Civil, Traffic, and/or California License Land Surveyor as applicable) eligible to prepare and sign suc h plans. Successful firms will be required to enter into the City’s standard professional services agreement (attached) and obtain an Orange business license. Any changes requested to the City’s standard agreement must be noted in the response to the RFP for the City’s consideration.
Each specific assignment under an on-call engineering services contract will be compensated on either lump sum or time -and-materials basis. The method of compensation will be specified in writing by the City at the time the assignment is given.
Generally, response times related to plan checks for the initial review shall be completed within ten (10) working days, unless otherwise directed by the City. Each subsequent plan check shall be completed within 5 working days unless otherwise directed by the City.
The scope of work will vary by project, and will be further defined in a project specific request by the City of Orange, but may generally include the following:
• Design Plans – Develop or assist with development of final design plans associated with traffic signals and street light systems. These plans include, but are not limited to: traffic signal plans, Intelligent Transportation Systems plans, traffic signal interconnect p lans, and street light plans.
• Program Management / Construction Management / Construction Inspection – Services related to the City’s Capital Improvement Program, which will typically include traffic signal and street light improvements, but may also include ancillary roadway rehabilitation, roadway widening, ADA access and handicap ramps, parkways, drai nage and drainage structures, storm drain utilities, signage and striping, parks, and other miscellaneous facilities. A thorough understanding of the NPDES regulations and grant regulations, including Federally funded program compliance is required. Project manager and inspector must be able to coordinate with outside agencies such as adjacent cities, Caltrans, and various utility companies.
• Transportation Analysis – Specialized traffic studies to assess proposed projects within a short time frame. Typical studies would include travel demand or traffic forecasting of proposed roadways, street widening or intersection improvement projects. Studies will analyze diversion of traffic due to substantial long term construction projects. Analysis will incorporate pedestrian and bicycles. Additional studies could be needed to provide technical support for grant and funding applications.
• Traffic Signal Corridor Coordination Studies – Conduct studies that analyze the performance of traffic signal timing on street corridors. These studies shall include before and after analysis to quantify the level of improvement to the expected as a result of the project.
• Simulation Modeling – Provide computer simulation of corridors or road networks as needed utilizing microsimulation software. Training may also be included with these projects.
• Traffic Counts – Perform data collection as needed within short time frames including ADT’s, 12 -hour counts, intersection turning movement counts, occupancy rates, speed/delay runs, pedestrian and bike counts, parking turnover, etc. • Statewide Planning Efforts – Specialized studies and analysis in support of various regional and statewide initiatives involving traffic signal improvements, timing, and coordination.
• Research and Outreach – Assist staff in producing reports and making presentations on transportation related topics.
• Neighborhood Traffic Calming – Assist staff in processing requests for traffic calming measures. This includes but is not limited to street and neighborhood evaluation, data collection, recommendations, design, and coordination/communication with residents. • Review for Private Developments – Assist staff in reviewing plans and reports for private development projects. This includes but is not limited to: traffic signal plans, striping plans, street light plans, and various traffic studies. Coordination with project owners or design teams on behalf of the City may be requested.
Deliverables
The specific scope of work for each task/project will be provided in a written transmittal from a City of Orange representative along with, in most cases, a follow-up phone call and, if necessary, a meeting to discuss the specific needs of the assignment. Within five business days of receipt of transmittal, the Consultant will be expected to provide the City with a proposed level of support along with a NOT TO EXCEED cost. A fully-executed amendment to the on-call contract may be required along with an authorization to proceed prior to commencement of work.
Consultant is expected to have a close working relationship with City staff and remain very accessible throughout the contract duration. The Consultant shall act as an extension of City staff.
A member of the consulting firm will be required to attend meetings with other jurisdictions, City departments, or public outreach events if an individual project requires extra coordination.
IN-HOUSE SUPPORT
SUBCONSULTANT TEAM
Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 4 G Qualifications of Proposer’s Personnel
Aidan Mousavi, MBA, PE, TE, QSD
Principal-in-Charge
Amir Farahani, PE, TE
Senior Project Manager
Douglas Benash, PE, QSD
Quality Assurance (QA) Manager
Yunus Rahi, PhD, PE, TE
Senior Traffic Engineer
Dennis Barnes, PE, TE
Senior Traffic Engineer
Hamed Habibi, MS, EIT
Engineer III, Transportation
Masoud Sepahi, PE, LEED GA
Construction Manager
Malcom Weatherbie
Construction Inspector
Dennis Janda
Survey
Nicole Nguyen
Traffic Counts
Cat Survance
Outreach Specialist
Provide an organizational chart of the Consultant Team showing the names, positions, and responsibilities. This section shall define the experience of key personnel and sub-consultants. All sub-consultants and their personnel must be identified. Resumes for the Consultant Team, including the Project Manager and key personnel, shall be provided in the Appendices. Resumes shall contain information relating to each person’s education, experience or training in the area covered within this proposal. The City reserves the right to review and approve any additions or revisions to the Consultant Team, including sub-consultants.
Resumes appear in the Appendix, and do not count toward the 15-page limit, per the RFP .
Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 5 The Proposer shall indicate an understanding of the scope of services requested in this RFP . The work plan should address and satisfy the objectives and specifications as listed in the Scope of Work in this RFP .
APPROACH
Effective execution of task order contracts requires clear delineation of work, streamlined communication and
accountability of all stakeholders, as well as a collaborative approach with both internal resources and subconsultants.
We are accustomed to serving our clients both on stand- alone projects as a dedicated consultant, as well as through staff augmentation roles, supporting our clients’ needs for outside staffing.
Accordingly, Bowman’s approach to delivering a successful task order within budget and on schedule begins with
a clear understanding of the goals, scope, deliverables, budget, timeline, and involved stakeholders. On stand-alone projects, and based on this initial information provided to our team, we develop a project-specific management
plan that delineates organizational structure, staffing, deliverables, and associated schedule, including progress and review meetings. As part of our approach to the
execution of individual assignments within a multitask
contract, it is imperative to understand several factors that may influence the project objectives, such as local site conditions, project-specific details and performance requirements, client-driven operational needs, community interface, seasonal restrictions, safety requirements,
timelines, or legislatively mandated criteria. It is with this understanding that for each task, we evaluate the critical objectives and obstacles; implement best practices approach, cost effective and practical solutions; and implement such through engagement in all phases of the project.
Our project execution efforts are aimed at matching the right skill set to the project task, thereby ensuring effective and efficient use of resources. At Bowman, we instill a culture of consistency and high-quality performance through the preservation of personnel continuity on tasks through the life of the contract and the persistent pursuit of excellence through professional growth and innovation. Continuity of proven performers and preservation of project institutional knowledge yields quality performance and successful
delivery metrics.
While we are prepared to work only on portions of a project (ex. a warrant study or calming analysis), our approach to developing our work product follows a total-project-life cycle mentality, as reflected in the workflow graphic below.
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Traffic engineering is one of the core disciplines we provide to Southern California cities. Bowman’s extensive traffic engineering knowledge, sharply-honed technical skills, and decades of combined experience makes us invaluable to our client cities as we help them to keep Southern California moving. Bowman is known by our clients for innovation and effective approaches, providing exceptional value and cost effective services. Traffic and transportation engineering services that we provide include the following:
Outcome / Benefit
Maintain awareness
of project activities,
project status and any
items for resolution
Outcome / Benefit
Expectations are
aligned and project
execution is defined
Outcome / Benefit
A collaborative design
process will help
maintain the project
budget and schedule
throughout design
process
Outcome / Benefit
Your feedback regard-
ing project perfor-
mance will be utilized
to further optimize
project performance
in future tasks
Outcome / Benefit
Early coordination and
input ensures that all
work is well coordi-
nated as it progresses
through design
Outcome / Benefit
A collaborative process
is established for
conducting the project
activities
Outcome / Benefit
A comprehensive re-
cord of all project data
is maintained for final
submission in support
of design decisions
Bowman will provide
detailed scope,
schedule, and budget
An in-person meeting
to review project
issues, introduce staff,
and establish commu-
nication protocols
Field investigations
are performed, data
is acquired and docu-
mented, and progress
is reported monthly
Progress reports will
be communicated
with City staff and
stakeholders
Input from project
stakeholders is
incorporated into the
project
All final work
products, including
reports,are sub-
mitted
We ensure that we
have a mutually
agreed upon closure
of the project and
encourage feedback
Scope Definition Task Initiation Data Collection Reporting Collaboration Documentation Feedback Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 6 Transportation Impact Study Guidelines
Our team offers comprehensive traffic study and analysis services tailored to the City’s needs. These services include the preparation and review of traffic impact studies, safety assessments, speed surveys, traffic control warrant analyses, detour plans, and neighborhood traffic calming evaluations.
We employ a variety of data collection methods – including manual counts, radar devices, automatic traffic recorders (ATRs), and video-based systems – to gather accurate traffic volume, speed, gap, and vehicle classification data. As part of our standard practice, our analysts conduct field visits to each project site to ensure that all analyses are informed by real-world conditions and observations.
To support our data collection efforts, we maintain a contract with City Traffic Counters (CTC), ensuring timely and reliable traffic count data for all studies.
Our team specializes in the development of traffic impact studies that include capacity and safety analyses, mitigation recommendations in response to specific concerns, and
comparative evaluations of improvement alternatives. We also provide ongoing monitoring of traffic conditions to assess the effectiveness of implemented transportation
improvements.
As part of our commitment to consistency and transparency, we will develop a customized Transportation Impact Study Guidelines document for the City. This document will be informed by the Caltrans Transportation Impact Study Guide and will outline:
• Criteria for when a Traffic Impact Study is required
• Scope and methodology of the study
• Data collection standards and sources
• Analytical methods for evaluating traffic impacts
• Mitigation strategies and improvement recommendations This structured approach ensures that all traffic studies are aligned with state best practices while being tailored to the City of Orange’s specific infrastructure, policies, and community goals.
Traffic Engineering, Traffic Analysis and Transportation Planning Studies
Our team provides full-service traffic engineering and
transportation planning support for both public agencies and private development projects. We are well-versed in reviewing land development applications, including internal circulation, site access, and off-site improvements. Our reviews ensure compliance with City, County, and Caltrans H Work Plan
Traffic Signal Design and Modification Traffic / Transportation Feasibility Transportation Planning Traffic Signal Synchronization Traffic Impact Analysis (TIA) Local Transportation Traffic Signal Construction Management ITS Development, Design and Implementation
Regional Transportation
Community and Neighborhood Traffic
Issues
Safety Studies Multi - Modal Transportation Plans
CIP Project Development, Design and
Implementation
School Route Analysis Staff Augmentation
Traffic Studies Traffic Engineering City Traffic Engineer Engineering & Traffic Survey (E&TS) Transportation Planning Assistant Traffic Engineer EIR Studies / CEQA / NEPA MTA Call - For - Projects Process (Funding)
Overflow Workload
Traffic Circulation Studies Traffic Engineering Design Rail Grade Crossing Neighborhood Permit Parking Program Traffic Signal and System Design ITS Design and Implementation Project Study Reports (PSR) Interconnect Design Traffic Control and Detour Plans Traffic Calming Studies Signing and Striping Bicycle Facilities Assessment & Improvements
Quiet Zone Feasibility Study HAWK & RRFB Design Local Roadway Safety Plan Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 7 standards, as well as CA-MUTCD and AASHTO guidelines. We routinely evaluate traffic signal warrants, intersection and driveway sight distance, and roadway design elements. Our staff are also available to represent the City in meetings with applicants and before planning or land use boards, providing expert technical input as needed. To support planning and policy decisions, we conduct detailed analyses of existing conditions and historical trends, including traffic volumes and crash data, to identify high-priority corridors and intersections. We coordinate closely with City staff to build on existing studies and data sources.
Our team is fully qualified to prepare and oversee a wide range of traffic studies, including signal and stop control warrants, left-turn phasing evaluations, speed surveys, and mitigation assessments. We also develop citywide
and corridor-level transportation plans, conduct feasibility studies, and support capital improvement programming.
Whether the City requires focused intersection analysis or comprehensive transportation master planning, our team
brings the technical expertise and municipal experience to deliver actionable, policy-aligned solutions.
Traffic Control Device Studies and Signal Design
Bowman offers a comprehensive suite of services for the evaluation, justification, and design of traffic control devices, including traffic signals, stop signs, and other regulatory measures. Our approach is rooted in data-driven analysis, regulatory compliance, and a commitment to enhancing
safety, mobility, and operational efficiency throughout the City of Orange.
Our licensed traffic engineers conduct thorough warrant studies in full conformance with the CA-MUTCD, as well as all applicable federal, state, and local regulations. Each study begins with a detailed field investigation and the collection of critical data, including:
• Collision history from SWITRS and TIMS
• 24-hour Average Daily Traffic (ADT) volumes
• Peak-period turning movement counts for vehicles,
pedestrians, and bicyclists
• Speed surveys, gap studies, and sight distance evaluations This data is analyzed against MUTCD warrant criteria to determine the need for traffic signals, multi-way stops, or other control devices. Our team then prepares a
comprehensive warrant study report with clear findings
and actionable recommendations. When requested, our
engineers present these findings to the City’s Traffic Engineer, Traffic Commission, Planning Commission, or City Council, ensuring that decision-makers are equipped with the
technical insight needed to proceed confidently.
Once a traffic control device is warranted and approved, Bowman seamlessly transitions into the design phase,
delivering:
• Construction-ready plans
• Engineer’s cost estimates
• Technical specifications
• Bid support documents, including addenda and contractor clarifications
Our traffic signal design services are led by registered traffic engineers with extensive experience preparing Plans,
Specifications, and Estimates (PS&E) for a wide range of intersection and corridor improvements. We adhere strictly to CA-MUTCD, Caltrans Standard Plans and Specifications, and City of Orange standards. All final plans are signed and sealed by our licensed engineers to certify their accuracy and adequacy.
Our design team is proficient in the use of AutoCAD,
Synchro, and other industry-standard software, and is highly experienced in preparing plans that meet the requirements of Caltrans, Orange County, and other regional agencies. We are also well-versed in the latest traffic signal technologies, including:
• LED signal heads and internally illuminated street name signs
• NEMA TS-2 controllers and closed-loop systems
• Fiber-optic communications and emergency vehicle
preemption
• Red light enforcement cameras
• Video, microwave, and radar detection systems
In addition to design, Bowman provides signal system
review, inspection, and operational support. We assist with equipment selection, system integration, and signal timing optimization to ensure smooth traffic flow and coordination.
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Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 8 Our team can also perform signal inventory assessments, intersection conformance reviews, and prepare technical specifications for new or upgraded installations.
Whether the City is seeking to improve intersection safety, modernize signal infrastructure, or implement new traffic control strategies, Bowman is ready to deliver innovative, cost-effective, and community-sensitive solutions that align with the City of Orange’s transportation goals.
Intelligent Transportation Systems (ITS) Design
Bowman offers a forward-thinking, technology-driven
approach to Intelligent Transportation Systems (ITS) design, with a strong emphasis on enhancing traffic operations, safety, and multimodal connectivity. Our team has
successfully delivered ITS projects for municipalities across Southern California, integrating advanced technologies that support real-time traffic management, data collection, and system-wide coordination.
We understand that the City of Orange operates a
sophisticated transportation network that includes over 160 traffic signals, 20+ miles of fiber optic infrastructure, and a centralized Traffic Management Center (TMC). Bowman
is well-equipped to support the City in expanding and
optimizing this network through innovative ITS solutions tailored to local needs.
Our ITS design services include:
• Traffic signal interconnect design using fiber optic and wireless communication technologies
• Adaptive signal control systems that respond
dynamically to real-time traffic conditions
• Integration of field devices such as CCTV cameras, vehicle detection systems, dynamic message signs (DMS), and
radar feedback signs
• Design of communication infrastructure, including
conduit routing, pull boxes, and cabinet upgrades
• Coordination with Caltrans, OCTA, and utility providers to ensure seamless system integration and compliance
with regional standards
• Development of system architecture and specifications for new or upgraded ITS corridors
• Support for grant applications and funding strategies related to ITS deployment (e.g., SB1, CMAQ, and ATP)
Our team will begin each assignment with a thorough review of existing infrastructure and system capabilities. We will conduct field investigations, assess communication gaps, and identify opportunities for system upgrades or expansion.
Our ITS engineers will then develop detailed design plans, specifications, and cost estimates that are fully compliant with Caltrans Standard Plans, CA-MUTCD, and City of Orange standards.
Bowman also provides construction support and system
testing services, ensuring that ITS components are installed correctly, calibrated, and fully functional before system acceptance. We work closely with City staff and vendors to ensure that all systems are integrated into the City’s TMC and that operations staff are trained on new technologies.
Our goal is to help the City of Orange leverage ITS to improve traffic flow, reduce congestion, enhance safety, and support future smart city initiatives. With Bowman as your partner, you gain a team that understands both the technical and operational dimensions of ITS – and how to deliver systems that work seamlessly from day one.
Traffic Control Plans
Bowman has a proven record of successfully managing
capital improvement projects and other roadway and traffic engineering construction projects for several Southern
California municipalities. Our registered Traffic Engineers have prepared numerous traffic control and detour plans for construction projects while prioritizing traffic and pedestrian convenience and safety. The Traffic Engineers assigned to these tasks for the City will promptly collect all relevant traffic control needs and roadway safety information upon receiving a request from the City and prepare the appropriate plans for application to the specific projects. The CA-MUTCD and Caltrans Standard Plans and Standard Specifications will be used in preparing these plans. The plans will have the registered engineer’s stamp and wet signature certifying accuracy and adequacy.
Review Projects involving Traffic Impact Analysis, Roadway Improvements and Traffic Signal Modifications
Our professionally registered Traffic Engineers can review and comment on traffic studies and are well-versed with all local and regional guidelines and policies and procedures, including the latest state-mandated CEQA-required Vehicle Miles Traveled (VMT) analysis procedures (per SB 743) for H Work Plan
Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 9 transportation impacts determination. Our traffic engineers have experience serving as City Engineers and City Traffic Engineers for various cities and can review and determine needs for specific traffic controls at intersections or street segments, including traffic signals, traffic and parking control signs and markings, posting of speed control signs, etc. We can prepare recommendations for any traffic ordinance
or City Council or planning commission resolutions, as
requested. Our team of professionals can also review any traffic impact mitigation plans, strategies or programs proposed by private developers and work in coordination with them to prepare a list of precise recommended
improvements with subsequent involving traffic impacts
predicting how the proposed plans, strategies, and programs will improve traffic congestion and safety.
Construction Management and Inspection Support
Our team has a strong track record of successfully managing capital improvement and traffic engineering construction projects for municipalities across Southern California. We provide full-service construction support, including traffic control planning, field coordination, and engineering
assistance throughout the construction and bidding phases.
Our registered Traffic Engineers are experienced in preparing traffic control and detour plans that prioritize safety and minimize disruption to vehicular and pedestrian traffic. Upon request, our team will promptly assess site-specific traffic control needs and develop tailored plans that meet City, Caltrans, and CA-MUTCD standards.
Amir Farahani, PE, TE, will serve as the primary point
of contact for construction coordination. He will attend pre-construction meetings, job walks, and site visits,
and will provide field recommendations as needed. Our
team is prepared to respond to RFIs promptly, maintain a detailed log of inquiries and responses, and revise plans or specifications as required by the City.
We also offer engineering support during the bidding phase, including clarification of design documents, preparation of addenda, and coordination with contractors to ensure a smooth transition into construction. Our team will review construction area traffic control plans to ensure public safety and maintain traffic circulation throughout the work zone.
With a proactive and responsive approach, we are committed to supporting the City in delivering safe, efficient, and well- coordinated construction projects.
Research for Federal and State Infrastructure Grants and Preparation of Grant Applications
At Bowman, we pride ourselves on being more than just
engineers—we are strategic partners who help cities unlock funding opportunities and bring transformative projects to life. Our team has extensive, project-specific experience in preparing successful grant applications and securing competitive funding for municipalities and local agencies across Southern California.
We specialize in developing compelling engineering
conceptual plans, technical reports, and supporting
documentation under the City’s direction, tailored for
submittal to a wide range of funding agencies. These include, but are not limited to:
• Orange County Transportation Authority (OCTA)
• Caltrans
• Southern California Association of Governments
(SCAG)
• Metrolink / SCRRA
• California Transportation Commission (CTC)
• Federal Highway Administration (FHWA)
• Orange County Council of Governments (OCCOG)
Our staff possess deep knowledge of federal and state
funding programs, including Measure M, SB 1, ATP , HSIP , CMAQ, and STBG. We don’t just respond to funding
opportunities—we anticipate them. In fact, we have a proven track record of identifying projects that align with upcoming grant cycles and guiding our clients through the entire process, from concept to award.
One notable example: a city client missed the deadline for an MTA Call for Projects for a critical intersection improvement.
Rather than accept the setback, our team proactively
appealed to MTA and successfully secured $2.1M in funding.
We then advanced the project to the I-710 Early Action
Technical Advisory Committee, where we obtained an
additional $1.2M—resulting in a fully funded project at zero cost to the City.
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Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 10 This level of initiative is embedded in our culture. We coach our staff to be vigilant and forward-thinking, always seeking ways to streamline project delivery, reduce costs, and maximize funding potential. Our team members are
actively engaged in local and regional organizations, staying informed on policy shifts, funding trends, and emerging opportunities.
For the City of Orange, Bowman will bring this same level of dedication and foresight. Yunus Rahi, PhD, PE, TE, a seasoned grant strategist on our team, will lead all grant- related efforts, ensuring that every application is technically sound, strategically positioned, and aligned with the City’s long-term transportation goals.
Analyses of Existing and Projected Traffic Conditions
Bowman’s approach to traffic condition analysis is rooted in data integrity, inter-agency coordination, and a deep understanding of the regulatory and physical context
of each project. Our team is experienced in conducting
comprehensive evaluations of both existing and future
traffic conditions to support informed decision-making and effective project delivery.
We begin by coordinating with the City of Orange, Orange County, Caltrans, and other relevant agencies to obtain all available records related to accident history, roadway geometry, traffic operations, and driver behavior. This includes sourcing crash data from:
• SWITRS (Statewide Integrated Traffic Records System) by the California Highway Patrol
• TIMS (Transportation Injury Mapping System) by UC
Berkeley’s Safe Transportation Research and Education
Center
This data provides critical insight into historical safety trends and informs our field investigations and design
recommendations.
Our team also conducts a thorough review of existing
records and right-of-way documentation, including
topographic surveys, utility maps, easements, and property boundaries. We proactively engage with utility companies, public agencies, and private stakeholders to identify any constraints or permitting requirements early in the process.
This ensures that all necessary approvals are accounted for prior to the implementation of traffic improvements.
A preliminary field investigation is then conducted to assess:
• Site access and circulation
• Potential utility conflicts
• Safety concerns and operational deficiencies
• Impacts to adjacent parcels and land uses
To support this effort, our subconsultant CTC – a recognized leader in traffic data collection – will perform a full suite of services, including:
• Manual turning movement counts
• 24-hour machine counts
• Radar speed surveys
• Parking occupancy and demand studies
• Pedestrian crosswalk counts
• Transit and ridership surveys
All field data and site imagery will be integrated into our GIS platform, enabling real-time access to geo-located photos and field notes. This system allows both Bowman and City staff to visualize and manage project data through the
City’s GIS portal, streamlining coordination and enhancing transparency.
Our GIS Analyst will support the development of base maps that reflect true physical constraints and inform the design process. These maps, combined with our traffic modeling and forecasting tools, allow us to evaluate projected traffic conditions under various growth and development scenarios.
Bowman’s holistic approach ensures that every traffic analysis is grounded in accurate data, informed by local context, and aligned with the City’s long-term transportation goals.
Pedestrian and Bicycle Studies
Bowman brings a deep bench of expertise in multimodal
transportation planning, with a strong track record of
delivering pedestrian and bicycle studies that lead to
actionable, community-supported improvements. Our team
understands that enhancing non-motorized mobility is not only a matter of infrastructure, but also about creating safer, more connected, and more livable neighborhoods.
We have successfully led Traffic Safety Studies Near Schools, focusing on critical safety concerns such as excessive
vehicular speeds, collision history, near-miss incidents, and H Work Plan
Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 11 pedestrian vulnerability at intersections and corridors along school routes. Our methodology includes targeted traffic and pedestrian counts during peak school hours (typically 7:00–9:00 AM and 2:00–4:00 PM), ensuring that we capture accurate data reflective of real-world conditions. We also evaluate the potential benefits of deploying adult crossing guards and other operational strategies to enhance safety during school pick-up and drop-off periods.
Bowman is experienced in developing comprehensive Safe
Routes to School (SRTS) Action Plans, which include:
• Project management and stakeholder coordination
• Assessment of existing conditions and infrastructure gaps • Development of interactive, web-based tools for
community input
• Facilitation of safety workshops and public engagement • Preparation of final SRTS Action Plans with individual school profiles
• 30% conceptual design plans for targeted improvements These plans are designed to be implementation-ready and grant-competitive, aligning with funding programs such as ATP , HSIP , and SB 1.
Beyond school zones, our team conducts citywide pedestrian and bicycle studies to identify high-demand corridors,
safety concerns, and opportunities for network expansion.
We assess traffic conditions, user behavior, and multimodal demand to inform the design of Complete Streets that serve all users.
Should the City of Orange choose to pursue a Complete
Streets Bicycle and Safety Improvements Project, Bowman is fully equipped to support every phase—from feasibility analysis to final design. Our approach would encompass:
• Pavement rehabilitation and resurfacing
• Upgrades to Transportation Management System (TMS)
elements
• ADA compliance for all pedestrian and bicycle facilities • Design and construction of new infrastructure, including protected bike lanes, enhanced crosswalks, and pedestrian refuge islands
Our team is committed to delivering solutions that are
not only technically sound but also context-sensitive and community-driven. We understand the importance of
balancing safety, mobility, and aesthetics in a way that reflects the City’s vision for a more walkable and bike-friendly future.
Review Projects involving Traffic Impact Analysis, Roadway Improvements and Traffic Signal Modifications
Bowman offers a highly qualified team of traffic engineers, including professionally registered Traffic Engineers with extensive experience serving as City Engineers and City Traffic Engineers throughout Southern California. Our team is well-versed in reviewing and evaluating traffic impact studies, roadway improvement plans, and traffic signal
modifications in accordance with local, regional, and state guidelines.
We bring a deep understanding of the latest CEQA-mandated Vehicle Miles Traveled (VMT) analysis procedures under SB 743, and we are adept at applying these methodologies
to determine transportation impacts for both public and private development projects. Our engineers are proficient in interpreting and applying policies from OCTA, Caltrans, SCAG, and the City’s own General Plan and Circulation
Element.
Our services include:
• Thorough review of Traffic Impact Analyses (TIAs) for compliance with City standards and regional modeling
assumptions
• Evaluation of intersection and corridor operations,
including the need for traffic signals, stop control, speed zoning, and other traffic control devices
• Review and comment on roadway improvement plans,
including geometric design, lane configurations, and
multimodal accommodations
• Assessment of traffic and parking control signage,
pavement markings, and striping plans
• Preparation of staff reports, technical memoranda, and recommendations for Planning Commission, City Council,
or Traffic Committee consideration
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Bowman | RFP No. 24-25.24 | On-Call Traffic Engineering Services | July 17, 2025 12 We also work closely with private developers and their consultants to review proposed traffic mitigation strategies, ensuring that they are technically sound, feasible, and aligned with the City’s long-term mobility goals. Our team can prepare a precise list of recommended improvements, supported by data-driven analysis and predictive modeling to demonstrate how proposed measures will alleviate
congestion, enhance safety, and support sustainable growth.
Bowman’s approach is collaborative and proactive – we aim to streamline the review process while upholding the highest standards of technical rigor and public accountability. Our goal is to support the City of Orange in making informed, defensible decisions that improve mobility and quality of life for all users.
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MEET THE SENIOR PROJECT MANAGER
Amir Farahani, PE, TE
Amir Farahani is a seasoned traffic and transportation engineering professional with over 32 years of experience in civil, traffic, and transportation engineering, including more than 28 years of dedicated service to the City of Orange. Throughout his tenure, Amir held progressively responsible positions – rising from Engineering Technician to Assistant Engineer, Associate Engineer, Senior Engineer, and ultimately serving as City Traffic Engineer and Traffic and Transportation Manager.
In these roles, Amir led the City’s traffic and transportation division, where he oversaw daily traffic operations, managed the City’s Traffic Management Center (TMC), and directed signal timing, maintenance, and capital improvement initiatives. He was responsible for delivering projects from concept through construction, preparing PS&E packages, administering contracts, and coordinating with local, regional, and federal agencies.
Amir’s expertise includes development review, grant funding strategy and application (including HSIP , SR2S, CDBG, and TEA), and public representation at City Council and inter-agency meetings. He played a key role in shaping the City’s traffic engineering standards, signal design practices, and transportation policies to enhance safety and mobility.
Since joining Bowman in 2021, Amir has continued to apply his deep municipal knowledge across Southern California. His recent work includes traffic signal design, pedestrian safety improvements (e.g., HAWK and RRFB systems), including various studies and reports. Amir’s long-standing relationship with the City of Orange provides him with a unique and valuable perspective on its infrastructure, operational priorities, and community values.
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Assistant Project Manager
City of Orange
RFP 24-25.24 On-Call Traffic Engineering Services
Bowman Consulting Group - Cost Proposal
Principal-in-Charge
QA Manager
Senior Project Manager
Project Manager
Administrative Assistant
Senior Traffic Engineer
ADA Specialist
Engineer III
Engineer II
Engineer I
GIS Analyst
Construction Manager
Senior Construction Inspector
Construction Inspector
Outreach Specialist