GDT > RTD Rider’s Guide > Routes > Route 40 – Colorado Boulevard

Route 40, ‘Colorado Boulevard’, runs from 40th & Colorado Station to Southmoor Station via Colorado Station and Colorado Boulevard.
Map & Schedule

Route 40 operates 7 days a week. Frequency is generally 15 minutes throughout the day, dropping to 30 minutes in the evenings and at weekends. On Saturdays 15 minute frequency service is provided between 40th & Colorado and Colorado stations.
The System Optimization Plan proposed to increase weekday frequency to 15 minutes along the entire route, this was implemented in September 2024.
Vehicles Used

The route is operated by TransDev on behalf of RTD using Gillig 40ft Low Floor transit buses from Broadway Garage, Denver.
Ridership
Year | Total |
2018 | 1,369,000 |
2019 | 1,298,000 |
2020 | 951,000 |
2021 | 806,000 |
2022 | 873,000 |
2023 | 961,000 |
2024 | 987,000 |
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 does not detail any further proposals to change this route.