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Public Transit

SANDAG provides funding administration and planning for public transit in the San Diego region. It shares public transit planning and decision-making responsibilities with Caltrans, Metropolitan Transit System, North County Transit District, and other transit operators.

Current Public Transit Projects

Transit Passenger Counting Program Reporting

Provides stop, route, and system-level ridership data.

Mid-Coast Trolley

This 11-mile project will extend San Diego Trolley Blue Line service from Downtown San Diego to UC San Diego and University City.

Comprehensive Fare Ordinance

Sets fares for transit services in the San Diego region.

Downtown Bus Stopover and Multiuse Facility

Proposes to provide an off-street location for Downtown San Diego transit vehicles to park in the short turnaround time they have between runs.

Kearny Mesa Rapid Safe Routes to Transit

Identifies potential street and sidewalk improvements to the Kearny mesa area.

Chula Vista Light Rail Corridor Improvements – Palomar Street Grade Separation Study

Develops a project study report for the Chula Vista Light Rail Corridor Improvements.


Rapid provides high-frequency, limited-stop service with increased reliability and convenience.

San Ysidro Intermodal Transportation Center Study

Identifies a multimodal concept for a world-class transportation center in the vicinity of the San Ysidro Port of Entry.

LOSSAN Corridor Joint Timetable

Combines the schedules of Amtrak intercity trains, COASTER commuter trains, and Metrolink commuter trains.

I-805 BRT/47th St. Trolley Station Area Planning

Bus Rapid Transit service is being planned in the I-805 corridor connecting South Bay with Kearny Mesa, UTC, UCSD, and Sorrento Mesa.

Los Angeles-San Diego-San Luis Obispo Rail Corridor

Information on the coastal rail corridor from San Diego to Los Angeles to San Luis Obispo.

High-Speed Rail Plan

Planning for commuter, intercity, and high-speed rail efforts for the San Diego region.

Intelligent Transportation Systems

Manages performance of local and regional transportation systems.

Past Public Transit Projects

Onboard Transit Passenger Survey

In 2015, SANDAG, in cooperation with MTS and NCTD, conducted a survey onboard all bus, train, and Trolley routes to inform transit planning.

East County Bus Operations and Maintenance Facility

Expands and updates existing site in El Cajon.

I-805 North UTC/Sorrento Valley Transit Study

Determined alignment options for future Bus Rapid Transit services within the project area.

Escondido BREEZE Rapid

The Escondido BREEZE Rapid bus project connects the Escondido Transit Center, downtown and south Escondido, and Westfield North County Shopping Mall.

Buses on Shoulders Demonstration Project

This innovative, one-year demonstration project allowed MTS route 960 to drive on the freeway shoulder from I-805 and Nobel Drive to SR 52 and Kearny Villa Road during morning and evening rush hours.