Explore San Diego via public transit with bus and trolley service. Find route maps, schedules, trip planner, fares options, and more.

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The San Diego Metropolitan Transit System (MTS) is the regional public transit service provider for San Diego County. We operate Trolley, bus, and paratransit services.

The Trolley light rail service connects San Diego’s Downtown with East County, UC San Diego, South Bay and the Mexico border. Get schedules, routes, station list, and more.

Bus route information for all MTS bus routes in the San Diego region, including maps, schedules, and timetables.

One way fares, pass prices, and day pass information for the San Diego Metropolitan Transit System.

MTS is a public transportation provider that serves the San Diego area. MTS operates the following transit modes across the San Diego area: bus, light rail and ferry.

Metropolitan Transit System (MTS) operates bus, Rapid, Trolley, and paratransit (MTS Access) services in the central, south, and east subregions of San Diego County.

Dec 19, 2025 · Transit fare hikes or service cuts? Here’s what riders want, according to a new MTS study One-way MTS fares haven't been raised since 2008.