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United States Numbered Highway System
Transportation in Horry County, South Carolina
Transportation in Lexington County, South Carolina
Transportation in Richland County, South Carolina
U.S. Highways in South Carolina
U.S. Route 78
Transportation in Sumter County, South Carolina
U.S. Highways in Georgia (U.S. state)
Transportation in Clarendon County, South Carolina
Transportation in Edgefield County, South Carolina
Transportation in Florence County, South Carolina
Transportation in Lincoln County, Georgia
Transportation in Marion County, South Carolina
Transportation in McCormick County, South Carolina
Transportation in Saluda County, South Carolina
Transportation in Wilkes County, Georgia

U.S. Route 378: page information

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Page ID903315

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CreatedJun 19, 2026, 9:47 AM

UpdatedJun 19, 2026, 9:47 AM