Explore More of San Diego, For Less, With MTS!

Explore more of San Diego, for less, with MTS! The Metropolitan Transit System (MTS) is the largest provider of public transportation in San Diego County and offers direct access to popular destinations from the U.S. – Mexico border to downtown, UTC, Mission Valley and beyond! You can catch the Trolley or bus to the airport, beaches, sporting events, dining, shopping and more. Get on board with PRONTO, the easy way to pay for transit. Get the PRONTO app or card, then tap or scan each time you ride to pay-as-you-go. Learn more at RidePRONTO.com. Plan your trip and get real-time info at sdmts.com.