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GDT > RTD Routes > Route 20 – 20th Avenue

A bus at Union Station.
A bus at Union Station.

Route 20, ’20th Avenue’, runs from Denver Union Station to Colfax / Billings via 17th, 18th and 20th avenues.

Map & Schedule

A Line map.

Route 20 operates 7 days a week. Frequency is generally 30 minutes throughout the day, dropping to 60 minutes in the evenings. During the weekday peaks, some trips are extended west to the National Renewable Energy Laboratory (NREL) in Golden.

Vehicles Used

A bus in Downtown Denver.
Gillig 40ft Low Floor Transit Bus.

The route is operated by RTD using Gillig 40ft Low Floor Transit Buses from Platt Garage, Denver.

The route is operated by TransDev on behalf of RTD using Gillig 40ft Low Floor Transit Buses from Commerce City Garage.

Ridership

YearTotal
2018,000
2019,000
2020,000
2021,000
2022,000
2023,000
Annual Ridership

Note: Figures from 2021 include former Route riders.

Current Issues

This route suffers from poor scheduling at ? Station, here buses are timed to depart 3 minutes before W Line trains arrive.

Future Plans

The System Optimization Plan proposes to cut the weekday peak trips to NREL.

The System Optimization Plan details no proposals to change this route.