Route information | ||||
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Maintained by SCDOT | ||||
Length | 18.550 mi[1][2] (29.853 km) | |||
Existed | 1934[citation needed]–present | |||
Major junctions | ||||
West end | SC 56 near Joanna | |||
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East end | SC 72 in Whitmire | |||
Location | ||||
Country | United States | |||
State | South Carolina | |||
Counties | Laurens, Newberry | |||
Highway system | ||||
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South Carolina Highway 66 (SC 66) is a 18.550-mile (29.853 km) primary state highway in the state of South Carolina. It serves to connect the community of Joanna with nearby SC 56 and the town of Whitmire.