A total of twelve special routes of U.S. Route 79 exist, divided between the states of Arkansas, Louisiana, Tennessee and Texas. Currently, they are all business routes, except for one bypass of Humboldt, Tennessee, and one bypass of Homer, Louisiana. Former Taylor business route Business U.S. Highway 79-B began at the intersection of mainline US 79 and SH 95 in southern Taylor. The business route travelled northward along Main Street, concurrent with SH 95, and intersected FM 112. It then turned to the east along 4th Street to rejoin mainline US 79 at the city limits. The business route through Taylor was originally designated on January 20, 1966 as Loop 427; on March 1, 1972, the western terminus extended north to Lake Drive. On October 6, 1972, the route had been designated to serve as a full loop around the city. What is now currently mainline US 79 in southern Taylor was originally part of the loop route, and the designations would be switched on January 20, 1977. In addition, the old route of US 79 was marked as Business US 79. On April 26, 1978, the section north of Taylor was cancelled. The section from SH 95 east and south to US 79 was cancelled, as it was never built, while the section from US 79 north and east to SH 95 was given the new designation of FM 397. The designation was changed from Loop 427 on June 21, 1990, and the western segment along 2nd St, 4th St, Main St, and Porter St was cancelled, and was replaced with the segment concurrent with SH 95 on April 25, 2002. On June 24, 2010, the section along Second Street from US 79 east to SH 95 was given to the city of Taylor, and Business US 79-B was rerouted south along SH 95 to US 79. Business US 79-B was cancelled on September 27, 2018. the section along Fourth Street was given to the city of Taylor, and the portion concurrent with SH 95 became SH 95 only. Henderson business route Business U.S. Highway 79-F begins at US 79 in southeastern Henderson and travels northward along Jacksonville Drive and South Main Street. It turns eastward at its intersection with FM 13, briefly running concurrently with Bus. SH 64 along East Main Street. The route ends at US 79 / US 259 near Willow Lake; East Main Street continues