[1] SH 240 begins at an intersection with US 287 south of Harrold in eastern Wilbarger County.

[3] The route travels eastward and soon crosses into Wichita County, intersecting SH 25 in Haynesville.

The highway enters the city of Burkburnett along 3rd Street before turning to the south and crossing the I-44 freeway.

[4] SH 240 then roughly parallels the freeway, and passes Sheppard AFB as it enters Wichita Falls city limits along Burkburnett Road.

[5] SH 240 parallels the Wichita, Tillman and Jackson Railway line as it travels through the city center before the route ends at Bus.