Texas State Highway 75

State Highway 75
State Highway 75
	SH 75 highlighted in red
Route information
	Maintained by TxDOT
Length	132.63 mi (213.45 km)
Existed	1987–present
Major junctions
South end	Loop 336 in Conroe
	US 190 / SH 30 in Huntsville; I-45 / FM 1791 in Huntsville; US 190 / SH 21 in Madisonville; US 79 in Buffalo; US 84 in Fairfield;
North end	FM 246 near Streetman
Location
Country	United States
State	Texas
Highway system
	Highways in Texas; Interstate; US; State Former; ; Toll; Loops; Spurs; FM/RM; Park; Rec;

State Highway 75 (SH 75) is a 132.63-mile-long (213.45 km) state highway in the U.S. state of Texas. It follows the former routing of U.S. Route 75 (US 75), which was supplanted by Interstate 45 south of Dallas, except in Dallas, where the former US 75 is now SH 310, and through Ferris, Palmer, Ennis, and Corsicana, where the old highway is signed as a business route of I-45. The route was designated in 1987.