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On October 1, 2025, San Diego County residents can ride all public transit for free to support clean air and sustainable commuting.
On October 1, 2025, San Diego County residents can ride all MTS and NCTD transit services—buses, trolleys, COASTER, SPRINTER, and on-demand options—free of charge as part of Free Ride Day, now in its sixth year.
The event, held on California Clean Air Day, promotes sustainable commuting, reduces emissions, and encourages public transit use, with pop-up booths offering giveaways and incentives.
Last year, over 340,000 people participated, setting records for ridership.
Officials highlight the environmental and economic benefits of transit, urging residents to ride, walk, bike, or carpool.
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El 1 de octubre de 2025, los residentes del condado de San Diego pueden viajar en todo el transporte público de forma gratuita para apoyar el aire limpio y los desplazamientos sostenibles.