Traffic Engineering Division

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The Traffic Engineering Division is responsible for the design, installation, and monitoring of traffic signals, signs, road markings, and other measures to ensure the safe and efficient flow of traffic on city streets.

  • Traffic Signal Timing
  • Roadway Signs, Markings & Striping
  • Evaluations for Intersection Control (Traffic Signals and Stop Signs)
  • Parking
  • Speed Limits
  • Neighborhood Traffic Calming
  • Review Development Plans & Traffic Studies
  • Review Traffic Control Plans for Construction and for Special Events
  • Capital Improvement Projects

Traffic Requests

If you have any traffic concerns or requests, please contact the City's Traffic Engineer, Sam Hasenin at: 760.643.5411 or

The Traffic Engineering Division will evaluate all requests and follow up in 4 to 6 weeks to report on the results of the evaluation.

For maintenance issues, such as a flashing red traffic signal, a downed tree or knocked down street signs: Public Work Department 760.639.6177.

For after-hours traffic signal malfunctions: 619.562.1104.

Average Daily Traffic Volumes (ADT)

Vista ADT Map

Traffic commission

Traffic Calming Policy

The City has adopted a Traffic Calming Program as a means of addressing concerns about the speed of traffic through residential areas. The program involves a four phase process which begins with the implementation of less intrusive measures, such as distribution of educational literature and increased enforcement. More extensive or costly measures involving construction of various roadway features, such as speed humps or roadway channelization, can only be considered as a final option if other measures have not proved effective.

Traffic Control Plans

Traffic Control Plans are required for any construction activity or special event that will disrupt traffic flow on city streets, and must be prepared in accordance with the CA MUTCD and the San Diego Regional Standard Drawings. The traffic control plans must be prepared by a licensed traffic control company or a licensed Traffic Engineer. 

Traffic control plans for construction are normally submitted as part of a Right-of-Way permit application through the Engineering Department. Contact 760.643.5383 for more information on Right-of-Way permits.

Traffic control plans for special events are submitted with a special event permit through the Human Resources/Risk Management Department. Special Events: 760.643.5377.

Haul Routes

A Haul Route Permit is required for the transportation of excavated or fill material to and from the site of any grading operation. Please complete a Haul Route Permit Application and email to

Oversize/Overweight Permits

The movement of oversized or overweight (as defined in the California Vehicle Code) vehicles, equipment, or structures on city streets requires a special permit. In addition, the city has established a system of truck routes where legally loaded vehicles in excess of 7 tons gross vehicle weight can travel. Please see the Wide Load Permit application and Instructions for details.

Temporary Parking Permits

 Traffic Engineering can issue temporary permits to park in certain posted “No Parking” zones on a case by case basis. A Temporary Parking Permit must be completed and submitted in person to the Traffic Engineering Division for processing an approval. Please contact Traffic Engineering at 760.643.5426 to make an appointment for permit processing.

Guidelines for the Preparation of Traffic Signal Design Plans

Traffic Engineering completed guidelines for the preparation of traffic signal design plans intended primarily for use by developers and engineers. This provides equipment and installation as well as design standards tailored to City requirements.  Guidelines for the Preparation of Traffic Signal Design Plans

Uniform Guidelines

All traffic signs and markings must conform to uniform standards contained in the "California Manual on Uniform Traffic Control Devices." There are three categories of signs: Regulatory, Warning, and Guide Signs.


Traffic Engineering (General Information)
200 Civic Center Drive, 1st Floor, Vista CA 92084
P: 760.639.6116

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