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South Carolina Highway 64

South Carolina Highway 64 marker

South Carolina Highway 64
Route information
Maintained by SCDOT
Length: 73.2 mi (117.8 km)
Existed: 1926 – present
Major junctions
West end: Savannah River Site
  US 278 in Barnwell
US 321 in Olar
US 301 near Olar
US 601 in Ehrhardt
US 21 in Bells Crossroads
I-95 in Walterboro
US 15 in Walterboro

US 17 Alt. in Walterboro
East end: US 17 in Jacksonboro
Location
Counties: Barnwell, Bamberg, Colleton
Highway system
SC 63 SC 65

South Carolina Highway 64 Business
Location: Walterboro, South Carolina
Length: 2.7 mi (4.3 km)
Existed: 1985–present

South Carolina Highway 64 marker

South Carolina Highway 64 (SC 64) is a primary state highway in the U.S. state of South Carolina. It serves the cities of Barnwell and Walterboro while also providing a direct route to Charleston, via U.S. Route 17.

Established around 1926 as a new primary routing from SC 28, near Ellenton, to SC 6/SC 301, near Ruffin. In 1928, SC 64 was extended east to US 17, in Walterboro, replacing part of SC 6. Around 1930, SC 64 was extended east again on new routing to US 78/SC 2, in Summerville. By 1932, SC 64 was extended east again at US 17, in Moncks Corner. In 1939, all sections of SC 64 were paved.

In 1950, SC 64 was extended in both directions: northeast with a concurrency with SC 28 to SC 781, in Beech Island; and east replacing SC 179 to Jamestown, then north in concurrency with SC 511, then east to end at US 521, west of Georgetown. This routing was the apex of SC 64, to a total of over 181 miles (291 km).


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