City Council Agenda Report
June 3, 2025
TO: Honorable City Council
FROM: Jesus M. Gomez, City Manager
BY: Glen W.C. Kau, P.E., Director of Public Services/City Engineer Mario Mera, Engineering Division Manager
Run Chen, Principal Civil Engineer
SUBJECT: AGREEMENT AMENDMENT NO. 3 - TRAFFIC ENGINEERING SERVICES Background:
The Engineering Division is responsible for the planning and delivery of the City's Capital Improvement Program (CIP), which includes various traffic improvement projects. Notable projects currently under development include:
I-5 Hotspots Improvements
Excelsior Drive Reconfiguration of Lanes and Striping
Carmenita Avenue Pavement Rehabilitation
Citywide Speed Hump Program
Ongoing multi-faceted traffic analysis and responses to residents and staff inquiries These responsibilities require technical expertise and continual support from the City Traffic Engineer.
On June 4, 2024, City Council awarded a professional services agreement to Willdan Engineering to provide City Traffic Engineering services and other related services on an as- needed basis. Work scope includes support from a designated City Traffic Engineer and an on- site Deputy City Traffic Engineer to assist with resident requests, staff inquiries, and technical evaluations. The agreement was approved at $130,000 annually for an initial three-year term, with two optional one-year extensions, effective July 1, 2024.
Through April 2025, the City has expended $121,238 under the current contract due to a significant increase in traffic-related service requests. These include:
Evaluation of speed hump requests
City Council June 3, 2025
Agreement Amendment No. 3 – Traffic Engineering Services Page No. 2 1 3
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City Council June 3, 2025
Agreement Amendment No. 3 – Traffic Engineering Services Page No. 2 1 3
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Traffic signal operations and optimization
Community-reported traffic related concerns
At the current rate of expenditure, the contract will exceed the authorized amount prior to fiscal year-end. An additional $26,964.75 is necessary to continue support through June 30, 2025.
Additionally, in September 2023, the Traffic Engineer completed signal operation and traffic flow analyses at the intersections of Bloomfield Avenue, Firestone Boulevard, Rosecrans Avenue, and adjacent I-5 freeway on- and off-ramps. This work recommended several improvements:
Modification of signal timing at Bloomfield Avenue/Rosecrans Avenue Signal phasing enhancements at I-5 southbound off-ramp and on-ramp at Rosecrans Avenue
Review/analysis of the northbound left-turn movement from Bloomfield Avenue onto Firestone Boulevard
To implement these recommendations, the City requested a proposal from Willdan Engineering to prepare full plans, specifications, and estimates (PS&E) for construction. The proposed cost for these design services is $91,448.
To date, two contract amendments were executed by the City Manager:
Amendment No. 1 – Project No. 7195: Studebaker/Alondra Hotspots Design Update ($10,500)
Amendment No. 2 – Project No. 7933: Excelsior Drive Striping Modifications ($24,250) The proposed Amendment No. 3 for FY 2025-26 includes:
Traffic engineering support – $26,965
Design services for Bloomfield/Firestone/Rosecrans/I-5 signal and striping improvements – $91,448
Proposed total costs for Amendment No. 3: $118,413.
With approval of Amendment No. 3, the total not-to-exceed value of the contract will increase from $164,750 to $283,163.
Fiscal Impact:
Services for Amendment No. 3 would be funded through approved/available Fiscal Year 2024/25 General Fund proceeds.
City Council June 3, 2025
Agreement Amendment No. 3 – Traffic Engineering Services Page No. 3 1 3
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Citizens Advised:
N/A
Strategic Plan 2023 Implementation:
The recommended action will further the City’s Strategic Plan Goal 2: Invest in street infrastructure.
Recommended Action:
Staff recommends City Council approve Amendment No. 3 to the agreement with Willdan Engineering in the amount of $118,413 for a total value of $283,163 for FY 2025-26; and authorize the City Manager to execute the amendment, on behalf of the City in a form approved by the City Attorney.
Attachments:
1.Proposal - City Traffic Engineer Contract Amendment
2.Proposal – Plans, Specifications and Estimate for Bloomfield, Firestone, Rosecrans and I-5
3.Technical Memo – Traffic Signal Operations and Traffic Flow at Bloomfield Avenue, Firestone Boulevard, Rosecrans Avenue, and Southbound I-5 Freeway Ramps.