| SC 4 west of Edisto|
| US 321 / SC 332 in Norway|
Orangeburg County, South Carolina
South Carolina Highway 400 (SC 400) is a 12.2-mile-long (19.6 km) state highway in the U.S. state of South Carolina. The highway connects Norway with rural areas of Orangeburg County.
South Carolina Highway 400 Wikipedia
SC 400 begins at an intersection with US 321/SC 332 (Savannah Highway/Norway Road) in Norway, within Orangeburg County. It travels to the east-southeast and leaves the city limits. The highway curves to the east-northeast and crosses over Deadfall Swamp, Roberts Swamp, and Twomile Swamp before entering Bolen Town. While there, it curves to a more easterly direction. SC 400 heads to the east-northeast again before it meets its eastern terminus, an intersection with SC 4 (Neeses Highway) at a point west of Edisto.
The entire route is in Orangeburg County.