GDT > RTD Rider’s Guide > Routes > Route 15 – East Colfax Avenue
Route 15, ‘East Colfax Avenue’, runs from Denver Union Station to Colfax / Billings in Aurora. It is Denver’s busiest bus route and arguably its most infamous. The 15 provides local service along the East Colfax Ave corridor, with limited stop service provided by Route 15L.
Map & Schedule
Route 15 operates 7 days a week. Frequency is generally 10 minutes throughout the day, dropping to 15 minutes in the evenings.
Vehicles Used
The route is operated by RTD using Gillig 40ft Low Floor transit buses from East Metro Garage, Denver.
Ridership
| Year | Total |
| 2019 | 7,300,000 * |
* Ridership figure is combined with Route 15L.
Current Issues
Because the route operates every 10 minutes, issues with poorly timed transfers are largely minimized.
Future Plans
The System Optimization Plan details no proposals to change this route. However, routes 15 and 15L are both due to be replaced by the Colfax Lynx BRT service from January 2027.
Prior to the Covid-19 pandemic, Route 15 provided 30 minute frequency service overnight. GDT hopes this is restored and continued with the new BRT service in order to support the vibrant night time economy along East Colfax Ave.
More Colfax Bus Content…
