U.S. Route 377

U.S. Route 377 marker
U.S. Route 377
Map
US 377 highlighted in red
Route information
Auxiliary route of US 77
Length478 mi (769 km)
Existed1930–present
Major junctions
South end US 90 / US 277 in Del Rio, TX
Major intersections
North end I-44 / SH-99 at Stroud, OK
Location
CountryUnited States
StatesTexas, Oklahoma
Highway system

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, Texas with Fort Worth, Texas, it has since been extended to Oklahoma and Mexico.