U.S. Route 377

U.S. Route 377
U.S. Route 377
	US 377 highlighted in red
Route information
	Auxiliary route of US 77
Length	478 mi (769 km)
Existed	1930–present
Major junctions
South end	US 90 / US 277 in Del Rio, TX
	I-10 / US 83 in Junction, TX; I-20 / I-820 in Benbrook, TX; I-30 / I-35W / US 287 in Fort Worth, TX; I-35E in Denton, TX; I-40 near Seminole, OK;
North end	I-44 / SH-99 at Stroud, OK
Location
Country	United States
States	Texas, Oklahoma
Highway system
	United States Numbered Highway System; List; Special; Divided;

U.S. Route 377 (US 377) is a 478-mile-long (769 km) north–south United States highway. Originally formed as a short spur to connect Denton and Fort Worth, Texas, it has since been extended northward into Oklahoma and southward to Del Rio, Texas, near the U.S. border with Mexico.