State Highway 240 or SH 240 is a Texas state highway that runs from Harrold east to Burkburnett, then south parallel to Interstate 44 to Wichita Falls. The route was originally designated by 1939 from Harrold to Burkburnett. It was extended south to Wichita Falls in 1964 over the former route of US 277, US 281, and US 287 when the new route was opened.
| County | Location | Mile | Junction | Notes |
|---|---|---|---|---|
| Wilbarger | ||||
| Wichita | ||||
| Burkburnett | ||||
| West end of I-44 / US 277 / US 281 concurrency | ||||
| East end of I-44 / US 277 / US 281 concurrency | ||||
| Wichita Falls | ||||