A-train (Texas)

A-train
Overview
OwnerDenton County Transportation Authority
LocaleDenton County, Texas
Termini
Stations6
Websitedcta.net/a-train
Service
TypeHybrid rail
SystemDenton County Transportation Authority (DCTA)
Operator(s)Rio Grande Pacific (operations)
Stadler US (rolling stock maintenance)
Rolling stock11 Stadler GTW 2/6
Daily ridership1,100 (weekdays, Q4 2025)
Ridership277,300 (2025)
History
OpenedJune 20, 2011
Technical
Line length21 mi (33.80 km)
Track gauge4 ft 8+12 in (1,435 mm) standard gauge
Operating speed60 mph (97 km/h)
Route map
A-train highlighted in yellow
Downtown Denton Transit Center
MedPark
Corinth (planned)
Highland Village/Lewisville Lake
Old Town
Rail Operations and
Maintenance Facility
Hebron
Trinity Mills
planned extension
planned extension
Downtown Carrollton

All stations are accessible

The A-train is a hybrid rail service in Denton County, Texas, United States. The line is operated by Rio Grande Pacific under contract to the Denton County Transportation Authority (DCTA) on a rail line leased from Dallas Area Rapid Transit (DART).

The 21-mile (34 km) line runs parallel to Interstate 35E between Denton and Carrollton. It acts as an extension of the DART rail system's Green Line, which connects Carrollton to Dallas Love Field, Downtown Dallas, and Fair Park. The line opened on June 20, 2011.

In 2025, the line had a ridership of 277,300, or about 1,100 per weekday as of the fourth quarter of 2025. It is the fourth-busiest commuter rail line in Texas and the twenty-ninth busiest in the United States.