GDT > RTD Rider’s Guide > Routes > Route AT – Arapahoe County / Denver Airport
SkyRide Routes AT and ATA, ‘Arapahoe County / Denver Airport’, runs from Arapahoe at Village Center Station to Denver Airport via Nine Mile Station and I-225. Selected early morning trips also call at 40th & Airport – Gateway Park Station.
Map & Schedule
Route AT operates 7 days a week. Frequency is generally 60 minutes at all times, although an extra 2 trips are offered in the early afternoon to serve a common end of shift time for airport employees.
Route ATA operates 7 days a week providing a single overnight service from Nine Mile to the airport which calls at 40th & Airport – Gateway Park Station to provide a trip before the first A Line train runs.
Vehicles Used
The route is operated by RTD using MCI D4500CT over-the-road coaches from Platte Garage, Denver.
Ridership
| Year | Route AA | Route 104L | Total |
| 2018 | 195,000 | – | 195,000 |
| 2019 | 187,000 | – | 187,000 |
| 2020 | 92,000 | 35,000 | 127,000 |
| 2021 | – | 133,000 | 133,000 |
| 2022 | – | 168,000 | 168,000 |
| 2023 | – | 214,000 | 214,000 |
| 2024 | – | 255,000 | 255,000 |
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 does not detail any proposals to change this route.