The 21-mile A-train commuter rail line connects Denton County with Dallas County via the Dallas Area Rapid Transit (DART) Green Line at the Trinity Mills Station in Carrollton, Texas.
The A-train stops at five DCTA stations - Downtown Denton Transit Center (DDTC), MedPark Station, Highland Village/Lewisville Lake station, Old Town station and Hebron station - before reaching the DART Trinity Mills station.
Passengers can ride the A-train free in the designated "free fare" zones between the DDTC and MedPark station, as well as between the Hebron station and the DART Trinity Mills station.
A-train Map & Schedule

NOTE: The A-train weekday schedule (Monday-Thursday) varies from the weekend schedule (Friday-Saturday).
On weekdays, the last A-train departs Trinity Mills Station northbound at 9 p.m.
On weekends, the last A-train departs Trinity Mills Station northbound at 10 p.m.
Please carefully review the schedule below to ensure arrival and departure times.

For connection times to DART Green Line light rail and DART bus service at the Trinity Mills Station, please visit DART.org for a full schedule of DART service.
The A-train operates Monday through Saturday, departing every half hour on weekdays and every hour on Saturdays.
There is no A-train service on Sundays or major holidays including:
- New Year's Day
- Memorial Day
- Independence Day
- Labor Day
- Thanksgiving Day
- Christmas Day