Traffic Engineering

The Traffic Engineering Division strives to increase the efficiency and safety of the City’s transportation network. 

This division of the Community Development Department is responsible for: 

  • Planning and operating the roadways, sidewalks, and bikeways in the City to provide for the safe and efficient movement of people, goods and services within Pleasanton.
  • Evaluating development proposals to determine their impacts to traffic flow and ascertain necessary mitigation.
  • Balancing the needs of the different modes of transportation: walking, biking, and driving.

The division:

  • Has installed a sophisticated communications network that links most of the traffic signals, traffic cameras, and detectors to the Traffic Operations Center.
  • Responds to common requests involving safety, speed, traffic signals, signs and markings, as well as school and neighborhood traffic conditions.

What's New:

Valley Avenue at Northway Road Traffic Signal Installation – Diagram of intersection improvementsDesign plans are underway for a new traffic signal at the intersection of Valley Avenue and Northway Road, adjacent to Harvest Park Middle School. The project will include new concrete curb extensions at the southwest and southeast corners and improved crosswalk accessibility. This project will improve traffic safety and efficiency for students, pedestrians, cyclists, and motorists traveling through the area.

West Las Positas Boulevard Corridor Improvement Plan - Bicycle and Pedestrian Symbol SignThe West Las Positas Boulevard Corridor Plan will create a new vision for the corridor, featuring an all ages and abilities bikeway network and improvements to pedestrian facilities. This project has been combined with the West Las Positas reconstruction project. The West Las Positas Boulevard Corridor Improvement Plan was approved by City Council on November 15, 2022. The City Council also authorized a more limited set of “quick build” pedestrian- and bicycle improvements that can be implemented in the near term on West Las Positas Boulevard, between Hopyard Road and Hacienda Drive. The quick build improvements are estimated to be installed in March 2023. The West Las Positas Boulevard reconstruction project 35% design plans are estimated to be finished by summer 2023. The project is expected to be constructed in 2024 (construction funding has not yet been identified).


I-680/Sunol Boulevard Interchange Project – Caltrans symbolThe goals of this project are to work with Caltrans to provide congestion relief, operational safety improvements, and improve bicycle facilities through the interchange. The City will be the lead agency and will partner with the California State Department of Transportation during project development. The Environmental Clearance is expected in by early 2023. Upon receipt of the environmental clearance, an 18-month detailed design will commence where the new overpass, ramp alignments  and traffic signals will be finalized.

The City of Pleasanton and the California Department of Transportation (Caltrans) developed a Draft Initial Study/Mitigated Negative Declaration report for the I-680/Sunol Boulevard Interchange Improvement Project. Caltrans is the California Environmental Quality Act (CEQA) lead agency for the project, and the City of Pleasanton is the project sponsor. The draft document is available here. You may also access the document at the Caltrans District 4 website here.

You may submit a comment in writing by May 8, 2023, to Caltrans District 4, Office of Environmental Analysis, ATTN: Daniel Chan, P.O. Box 23660, MS-8B, Oakland, CA 94623-0660, or by email to

A virtual open house public meeting will be held on Wednesday, April 19, 2023, from 6:00 PM to 7:30 PM to discuss the project and ask questions.

Virtual public meeting
Wednesday, April 19, 2023
6:00 pm to 7:30 pm
Meeting link:
Or join by phone: +1 669 900 6833 or +1 669 444 9171
Webinar ID: 863 4495 7669

This information is now posted on the Caltrans District 4 Environmental Documents webpage here, under Alameda County: