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 Requests

Traffic Engineering responds to requests related to traffic control. Contact: Husam Hasenin, Principal Engineer
P: 760.643.5411 or E:

Average Daily Traffic Volumes (ADT)

Vista ADT Map

Traffic commission

Monitoring and Control

QuicNet, a central computer based system, has been installed to monitor and control a number of traffic signals.

Signal Priority List

Traffic Engineering regularly evaluates intersections to determine the need for future signalization. From these evaluations, a "Citywide Traffic Signal Priority List" is developed.

Timing and Coordination

Traffic Engineering develops timing plans for all city-owned traffic signals. Many are coordinated with adjacent signals in order to provide better traffic flow along certain arterial streets.

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

Signs and Markings

Oversees the design and installation of all traffic signs and pavement markings on city streets.

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 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 Caltrans guidelines. 

Haul Routes: A Haul Route Permit is required for the transport of excavated or fill material to or from the site of any grading operation. These permits are issued through Development Services.

Oversize/Overweight Vehicles - Truck Routes: 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. These permits are issued through Development Services.

Temporary Parking: Traffic Engineering can issue temporary permits to park in certain posted “No Parking” zones on a case by case basis.

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 Engineering
200 Civic Center Drive, 1st Floor, Vista CA 92084
P: 760.639.6116

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