Texas State Highway 171

State Highway 171
State Highway 171
	SH 171; mainline in red, business route in blue
Route information
	Maintained by TxDOT
Length	110.845 mi (178.388 km)
Existed	1932–present
Major junctions
South end	US 84 in Mexia
	I-35 / US 77 in Hillsboro; US 67 in Cleburne; Chisholm Trail Parkway in Cleburne; US 377 in Cresson; I-20 in Weatherford;
North end	US 180 / FM 51 in Weatherford
Location
Country	United States
State	Texas
Counties	Limestone; Hill; Johnson; Hood; Parker;
Highway system
	Highways in Texas; Interstate; US; State Former; ; Toll; Loops; Spurs; FM/RM; Park; Rec;

State Highway 171 (SH 171) is a 110.845-mile (178.388 km) southeast–northwest state highway in northeastern Texas, United States, that connects U.S. Highway 84 (US 84) in Mexia with U.S. Highway 180 (US 180) in Weatherford.