The highway enters the city of Burkburnett along 3rd Street before turning to the south and crossing the  I-44 freeway. SH 240 then roughly parallels the freeway, and passes Sheppard AFB as it enters Wichita Falls city limits along Burkburnett Road.
The highway begins in Burkburnett at 3rd Street, heading south and crossing I-44. SH 240 generally aligns with the freeway, passing Sheppard AFB before entering Wichita Falls along Burkburnett Road.