U.S. Route 401
| US 401 highlighted in red | |||||||||
| Route information | |||||||||
| Auxiliary route of US 1 | |||||||||
| Length | 251.0 mi (403.9 km) | ||||||||
| Existed | 1957–present | ||||||||
| Major junctions | |||||||||
| South end | US 76 Bus. / US 521 in Sumter, SC | ||||||||
| 
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| North end | I-85 / US 1 near Wise, NC | ||||||||
| Location | |||||||||
| Country | United States | ||||||||
| States | South Carolina, North Carolina | ||||||||
| Counties | SC: Sumter, Lee, Darlington, Marlboro NC: Scotland, Hoke, Cumberland, Harnett, Wake, Franklin, Warren | ||||||||
| Highway system | |||||||||
| 
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U.S. Route 401 (US 401) is a north–south United States highway, a spur of U.S. Route 1, that travels along the Fall Line from Sumter, South Carolina to Interstate 85 near Wise, North Carolina.