South Carolina Highway 340

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South Carolina Highway 340
Route information
Maintained by SCDOT
Length	10.990 mi[1] (17.687 km)
Major junctions
South end	SC 403 near Timmonsville
Major intersections	I-20 near Florence US 52 in Darlington
North end	SC 34 / SC 151 in Darlington
Location
Country	United States
State	South Carolina
Counties	Darlington
Highway system
South Carolina State Highway System Interstate US State Scenic
← SC 336 → SC 341

South Carolina Highway 340 (SC 340) is a 10.990-mile-long (17.687 km) state highway in the U.S. state of South Carolina. The highway connects the Timmonsville area with Darlington.