Route information | ||||
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Maintained by SCDOT | ||||
Length | 142.207 mi[1][2][3][4][5][6] (228.860 km) | |||
Existed | 1927[citation needed]–present | |||
Major junctions | ||||
West end | US 1 / US 25 / US 78 / US 278 / SR 10 / SR 121 at the Georgia line near North Augusta | |||
East end | Line Street / King Street in Charleston | |||
Location | ||||
Country | United States | |||
State | South Carolina | |||
Counties | Aiken, Barnwell, Bamberg, Orangeburg, Dorchester, Charleston | |||
Highway system | ||||
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U.S. Route 78 (US 78) is a 142.207-mile (228.860 km) U.S. highway that travels from Cash, Arkansas to Charleston, South Carolina. In the U.S. state of South Carolina, it travels from the Savannah River at North Augusta to its eastern terminus in Charleston; connecting the cities of Aiken, Summerville, and North Charleston.