Belt Line Road is not designated as a Texas State Loop, but as a local street in each jurisdiction through which it passes.

In addition to entering the city limits of Dallas for multiple stretches of the road, Belt Line Road also travels through the municipalities of Cedar Hill, Grand Prairie, Irving, Coppell, Carrollton, Addison, Richardson, Garland, Mesquite, Sunnyvale, Balch Springs, Wilmer, Lancaster, and DeSoto.

Most of the highway is part of Belt Line Road, becoming its own route through Cedar Hill around Joe Pool Lake.

In 1954, FM 1382 extended southeast 6 miles to a county road near Cedar Hill.

In 1958, FM 1382 extended 1.7 miles to Belt Line Road in Cedar Hill.