RTD Route AB3 Boulder / Denver Airport
Bus Denver, CO22 stopsto Denver Airport via 28th Stto Dtwn Boulder via 28th St
LIVE SERVICE STATUS
Checking the RTD alerts feed…
Schedule summary
Computed from the RTD GTFS feed (version Sep26-37303-16-17-20261023-150015). Each row is the next day of that kind with service.
| Day | Direction | First | Last | Trips | Typical gap |
|---|---|---|---|---|---|
| Weekday | No weekday service in the current feed | ||||
| SaturdaySat, Oct 31 | to Denver Airport via 28th St | 6:59 AM | 6:26 PM | 5 | ~60 min |
| to Dtwn Boulder via 28th St | 8:50 AM | 7:20 PM | 4 | ~60 min | |
| Sunday | No sunday service in the current feed | ||||
Stops & times — today, Tue, Oct 27
Route AB3 doesn't run today (Tue, Oct 27). The stop lists below show the route's full pattern; the schedule summary above has the next service days.
To Denver Airport via 28th St · 11 stops
- 1
Downtown Boulder Station Gate 2
Served by Route AB3 · also routes AB1, FF2, GS
- 2
Canyon Blvd & Mcguckin Wy
Served by Route AB3 · also routes 205, BOLT
- 3
28th St & Arapahoe Ave
Served by Route AB3 · also routes AB2, FF4
- 4
28th St & Taft Dr
Served by Route AB3 · also routes AB2
- 5
28th St & Colorado Ave
Served by Route AB3 · also routes AB2, FF4
- 6
US 36 & Table Mesa Station Gate A
Served by Route AB3 · also routes AB1, AB2, FF1, FF2, FF4, FF5
- 7
US 36 & McCaslin Station Gate B
Served by Route AB3 · also routes AB1, AB2
- 8
Via Varra Rd & Midway Blvd
Served by Route AB3 · also routes AB1, AB2
- 9
US 36 & Flatiron Station Gate A
Served by Route AB3 · also routes AB1, AB2
- 10
13600 Block Via Varra
Served by Route AB3 · also routes AB1, AB2
- 11
Denver Airport Station Gate 6
Served by Route AB3 · also routes 104L, 145X, 169L, AB1, AB2, AL
To Dtwn Boulder via 28th St · 11 stops
- 1
Denver Airport Station Gate 8
Served by Route AB3 · also routes AB1, AB2
- 2
13500 Block Via Varra
Served by Route AB3 · also routes AB1, AB2
- 3
US 36 & Flatiron Station Gate C
Served by Route AB3 · also routes AB1, AB2
- 4
Via Varra Rd & Midway Blvd
Served by Route AB3 · also routes AB1, AB2
- 5
US 36 & McCaslin Station Gate E
Served by Route AB3 · also routes AB1, AB2
- 6
US 36 & Table Mesa Station Gate E
Served by Route AB3 · also routes 206, AB1, AB2, DASH, FF1, FF2, FF4, FF5
- 7
28th St & College Ave
Served by Route AB3 · also routes AB2, FF4
- 8
28th St & Sundown La
Served by Route AB3 · also routes AB2
- 9
28th St & Arapahoe Ave
Served by Route AB3 · also routes AB2, FF4
- 10
Canyon Blvd & 28th St
Served by Route AB3
- 11
Downtown Boulder Station (Ar)
Served by Route AB3 · also routes AB1, BOLT, FF1, FF2, FF5, GS, NB1, NB2
RTD Route AB3 Boulder / Denver Airport — questions
Where does RTD Route AB3 Boulder / Denver Airport go?
RTD Route AB3 Boulder / Denver Airport serves 22 stops: Downtown Boulder Station Gate 2 → Denver Airport Station Gate 6 (to Denver Airport via 28th St); Denver Airport Station Gate 8 → Downtown Boulder Station (Ar) (to Dtwn Boulder via 28th St). The full ordered stop list with first and last departure times is on this page.
Does RTD Route AB3 Boulder / Denver Airport run on weekends?
Yes — Saturday service runs 9 trips; no Sunday service in the current feed. See the schedule summary for first and last times.
Is RTD Route AB3 Boulder / Denver Airport delayed or on detour right now?
The live service status section at the top of this page reads RTD's realtime alerts feed — detours, suspensions and delays for this route appear there as the agency posts them. Everything else on this page is the published timetable.
Can I watch RTD Route AB3 Boulder / Denver Airport live on a map?
Yes — the WorldEye globe carries RTD's live vehicle positions on its transit layer. Open the live map from this page, and tap any vehicle or stop for its next arrivals. It's free, no signup.
More Bus routes
Times on this page are the published schedule from RTD's GTFS feed (version Sep26-37303-16-17-20261023-150015); live status comes from the agency's realtime alerts feed and can differ. Data: Regional Transportation District (RTD). Long name as published: “Boulder / Denver Airport”. WorldEye is a free viewer — for fares, passes and official notices, see RTD's own site.
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