Public Transit

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Regional Transportation District (RTD)

The Regional Transportation District (RTD) provides bus, rail, and airport shuttles to Thornton and surrounding neighborhoods.

FasTracks - The N Line

​North Metro "N Line" to Thornton - The first 13 miles of the 18.5-mile commuter rail line provides service from Union Station through Denver, Commerce City, Thornton, Northglenn, and eventually to north Adams County.

Map of the North Metro Rail Line


Currently, Thornton routes include 8, 12, 19, 80, 80L, 88L, 92, 93L, 104, 104L, 112, 120, 120L, 120X, and 122X (note, the 80, 104, 128, and 122X are not in service during the COVID-19 pandemic). Find local and regional bus route schedules via RTD's website.

FlexRide Service

FlexRide has consolidated its telephone reservations to one convenient number. Call 303-299-6000 to make a reservation regardless of the FlexRide service area.


Access-a-Ride is RTD’s ADA complementary paratransit service. It is a shared-ride service intended for those who cannot use regular fixed-route bus/light rail service due to a disability.

What is Access-a-Ride?

ServicePhone NumberHours
Applications, Passenger Information Changes, and AppealsAccess-a-Ride Administration Office
TTY: 711
8:00 a.m. – 5:00 p.m. Mon. - Fri.
Commendations & Concerns, General InquiriesAccess-a-Ride Customer Service
303-299-6000; listen to menu prompts
6:00 a.m. – 8:00 p.m. Mon. - Fri.
9:00 a.m. – 6:00 p.m. Sat. & Sun.
Lost & Found (Note: Access-a-Ride is not responsible for lost or stolen items.)303-299-28808:00 a.m. – 5:00 p.m. Mon. - Fri.
Reservations & Future Cancellations303-292-65608:00 a.m. – 5:00 p.m., 7 days per week
Same-day Trip Cancellations/Same-day Trip InquiriesAccess-a-Ride Dispatch
24 hours / 7 days per week
Access-a-Cab Reservations303-244-13886:00 a.m. – 9:00 p.m., 7 days per week

Highway Information