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.

[1][2][3] 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.

[4] 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.

[1][5] 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.

The route ends at US 79 / US 259 near Willow Lake; East Main Street continues past this intersection as FM 840.

US 79-F. Business U.S. Highway 79-G travels through Carthage while mainline US 79 loops around the city to the north.

[11] In Homer, the U.S. Highway 79 Bypass begins at an intersection with US 79 and LA 9 south of the town.

The route runs north as Jackson Street through residential areas until meeting Highway 19.

The route continues to head north towards downtown Magnolia where US 79B/AR 19 before terminating at US 82B (E Main Street).

It is concurrent with US 70A Bypass and unsigned State Route 366 (SR 366) for its entire length.