South Carolina Highway 5 (SC 5) is a 51.719-mile (83.234 km) primary state highway in the U.S. state of South Carolina. The highway, signed as north–south, travels in a northwest–southeast direction connecting the cities of Rock Hill, York and Blacksburg.

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South Carolina Highway 5
Route information
Maintained by SCDOT
Length	51.719 mi[1][2][3] (83.234 km)
Existed	1922[citation needed]–present
Major junctions
South end	US 521 near Van Wyck
Major intersections	US 21 in Lesslie I-77 in Rock Hill US 321 / SC 161 in York US 29 in Blacksburg
North end	I-85 / SC 198 in Blacksburg
Location
Country	United States
State	South Carolina
Counties	Lancaster, York, Cherokee
Highway system
South Carolina State Highway System Interstate US State Scenic
← SC 4 → SC 6

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SC 5 begins with a semi-interchange with US 521 near Van Wyck. Going northwesterly nearly its entire route, it crosses the Catawba River entering York County. In Lesslie, it joins U.S. Route 21 (US 21), crossing over Interstate 77 (I-77) before splitting in Rock Hill. Going southwesterly around the downtown area, it overlaps SC 121 (Albright Highway); then going northwesterly again in, overlapping with SC 901 (Heckle Boulevard). SC 5 exits out of Rock Hill solo again towards York; where there, it joins SC 161 and bypasses northeasterly around the city. Continuing on its northwesterly direction, it reaches its final destination of Blacksburg, where it connects with US 29 before ending at I-85 (exit 102) and SC 198.^[4]

Speeds along the highway does not exceed 55 mph (89 km/h), in both urban and rural areas. The highway provides a direct route from both US 521 and I-85 to both York and Rock Hill.

This section needs additional citations for verification. (March 2018)

Established as an original state highway, SC 5 originally traveled from SC 9 in Fort Lawn, through Rock Hill and York, to SC 8 in Blacksburg. In 1929 or 1930, SC 5 was extended south along new primary routing to SC 22 in Great Falls. In 1938, SC 5 was extended on both directions, connecting north to SC 18 and south to US 21 in Ridgeway.

In 1939, SC 5 reached its longest length with its last extension south along US 21 through Columbia. Then continuing south, replacing parts of SC 3, SC 6 and SC 33, through Swansea, Denmark, Olar, and Fairfax, ending at US 17 in Hardeeville. It total length reached 243 miles (391 km).

In 1950, SC 5 was truncated at US 21/SC 322 in Rock Hill; its old alignment between Rock Hill and Columbia becoming solely US 21 and from Columbia to Hardeeville becoming US 321. In 1951 or 1952, its alignment between York and Kings Creek was rerouted replacing SC 324 and part of SC 55; its old alignment becoming SC 91, SC 211 and SC 907. In 1959, SC 5 was realigned onto a more direct routing between Rock Hill and York; its old alignment became part of SC 161 and SC 274. Between 1960 and 1962, SC 5 was extended to its current southern terminus with US 521 near Van Wyck. Between 1965 and 1967, US 21/SC 5 was given a freeway bypass around Lesslie, its old alignment becoming secondary road Lesslie Highway (S-46-6).^{[5][6][7][8][9][10][11][12]}

In 1986, SC 5 was rerouted on bypass northwest around York, its old alignment through downtown becoming SC 5 Business. Around 2006–2009, SC 5 rerouted to its current northern terminus with I-85/SC 198 in Blacksburg; its old alignment was downgraded to secondary roads. In 2013, SC 5 was rerouted southwest around Rock Hill, along Albright Road and Heckle Boulevard; its old alignment downgraded to city roads with only its northern section of Main Street, between Cherry Road and Heckle Boulevard, converting into a connector.^[13]

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