South Dakota Highway 377

Highway 377
Highway 377
	Location of SD 377 (in red)
Route information
	Maintained by SDDOT
Length	2.173 mi (3.497 km)
Existed	1976–present
Major junctions
South end	SD 44 in Interior
North end	Interior Entrance Station in Badlands National Park
Location
Counties	Jackson
Highway system
	South Dakota State Trunk Highway System; Interstate; US; State;

South Dakota Highway 377 (SD 377) is a 2.173-mile-long (3.497 km) state highway in Jackson County, South Dakota, United States. It begins at an intersection with SD 44 in Interior, and travels in a northeasterly direction to its northern terminus at the Interior Entrance Station for Badlands National Park.

SD 377's southern terminus at SD 44 in Interior, April 2007

Route description[]

SD 377 begins at an intersection with SD 44 in the northeastern part of Interior. It is a near-straight two-lane highway for its entire length. It ends at the Interior Entrance Station for Badlands National Park.

Major intersections[]

The entire route is in Jackson County.

Location	mi^[1]	km	Destinations	Notes
Interior	0.000	0.000	SD 44 / A Street west – Scenic, Wanblee	Southern terminus
Badlands National Park	2.173	3.497	Interior Entrance Station	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi