Get Ready to Hop on Board!

The Zero Fare Transit Fund allows eligible transit agencies in Colorado to apply through CASTA for one of two Zero Fare grant programs: an Ozone Season Transit Grant or a Youth Ride Free Transit Grant.

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During the months of July-August 2024, public transit agencies around the state of Colorado who apply for an Ozone Season Transit Grant will join together to take part in the collaborative, statewide initiative made possible by Colorado Senate Bill 24-032 in partnership with the Colorado Energy Office. The Ozone Season Transit Grant program is designed to reduce ground level ozone by increasing use of public transit. Transit riders will benefit from the program as many transit agencies allow riders to take transit this summer, during Colorado’s high ozone season.

More information to come about participating agencies and the Youth Ride Free grant program. We hope you enjoy taking advantage of the Ozone Season program to try transit to get to work, school, a Doctor’s appointment, or a weekend exploring Colorado.

For transit agencies: Visit the bottom of this page for information about applying for a grant program.

Zero Fare August Participants

2023 Participating Agencies

Check out our map to see the agencies that participated in the Zero Fare program for the Ozone Season in 2023, as well as those who provide fare-free transit year-round.

Click the Map to view the 2023 data.

Seatbelt Check!

Some of La Junta's youngest riders enjoying Zero Fare August 2022. They used public transit to get to the library, pool, park, and more!

Transit Agency Resources

CASTA has applied to administer the Zero Fare program for the public transit agencies other than RTD. Interested agencies may find the program application and other resources at the end of this page.