Texas State Highway 80

State Highway 80
State Highway 80
	SH 80 highlighted in red
Route information
	Maintained by TxDOT
Length	88.30 mi (142.11 km)
Existed	1923–present
Major junctions
South end	SH 123 at Karnes City
	US 87 at Nixon; ; US 90 Alt. at Belmont; I-10 near Luling; US 90 / US 183 in Luling; SH 130 Toll near Fentress; I-35 in San Marcos;
North end	RM 12 near San Marcos
Location
Country	United States
State	Texas
Highway system
	Highways in Texas; Interstate; US; State Former; ; Toll; Loops; Spurs; FM/RM; Park; Rec;

State Highway 80 (SH 80) is a state highway in the U.S. state of Texas that runs 93 miles (150 km) from Karnes City to San Marcos.