The route runs roughly parallel to Interstate 30, passing through Rowlett, Rockwall, Fate, Royse City, and Caddo Mills.

It is known locally as Lakeview Parkway in Rowlett and as Avenue B in Garland.

[3] On November 30, 1932, it was extended south to the Rio Grande near Hidalgo, replacing part of SH 4, which was rerouted west.

[7] On February 11, 1937, the section north of Wichita Falls was restored, but as part of SH 79 only.

The current route was designated on November 30, 1961, replacing FM 7 and U.S. Highway 67, which was rerouted atop I-30.