U.S. Route 78 in South Carolina

This article is about the section of U.S. Route 78 in South Carolina. For the entire route, see U.S. Route 78.

U.S. Route 78 marker

U.S. Route 78
Route information
Maintained by SCDOT
Length: 141.0 mi[1] (226.9 km)
Existed: 1927 – present
Major junctions
West end: US 1 / US 25 / US 78 / US 278 / SR 10 / SR 121 at the GA line near North Augusta
  I-520 / US 25 in North Augusta
US 278 in Clearwater
US 1 in Aiken
US 321 in Denmark
US 301 / US 601 in Bamberg
US 21 in Branchville
I-95 / US 15 in St. George
I-26 near Ladson
I-26 / I-526 / US 52 in North Charleston
East end: Line Street in Charleston
Location
Counties: Aiken, Barnwell, Bamberg, Orangeburg, Dorchester, Charleston
Highway system
  • South Carolina Highways
← SC 77SC 79 →

U.S. Route 78 (US 78) is a U.S. highway that travels from Memphis, Tennessee to Charleston, South Carolina. In the U.S. state of South Carolina, it runs from the Savannah River at North Augusta to its eastern terminus in Charleston; connecting the cities of Aiken, Summerville, and North Charleston.

Route description

US 78 enters South Carolina by crossing the Savannah River in North Augusta; sharing concurrences with US 1, US 25, US 278 and SC 121. In the immediate 2-mile (3.2 km) area, it sheds most concurrences, sharing only with US 1 towards Aiken; it also connects with I-520, which is a partial beltway around the Augusta metropolitan area. In Aiken, it travels through the downtown area, where US 1 splits north towards Columbia. West of Williston is SC 781, which connects back with US 278; the routing allows travelers to bypass Aiken all together between Williston and Augusta.

Traveling in a southeasterly direction, it goes through the cities and towns of Williston, Blackville, Denmark, Bamberg, Branchville and St. George, where connects with I-95. Continuing east, it passes through Dorchester and begins to parallel with I-26 in a southeasterly direction through Summerville. It crosses into Charleston County at Lincolnville, where the highway skirts just inches south of the Berkeley County line. In North Charleston, US 78 shares a concurrency with US 52, as it connects with I-526. Entering Charleston, it splits with US 52 and goes south along King Street; its eastern terminus at Line Street, a block away from US 52's eastern/southern terminus and nearby to I-26/US 17 interchange.

US 78 is a predominantly two-lane rural highway connecting much of the Lowcountry. Widen sections (four-lanes or more) are found between North Augusta-Aiken, St. George and North Charleston. Though it provides the most direct route between Augusta and Charleston (using US 278/SC 781 to bypass Aiken), it is not a busy route because of the many cities and towns it goes through.

History

Established in 1927 as an original US highway, it traveled closely as it does today; from North Augusta to Charleston, connecting the cities and towns of Aiken, Bamberg, St. George, and North Charleston.

By 1931, US 78 was rerouted north of Summerville and Lincolnville, leaving Richardson Avenue/Lincoln Avenue. Around 1939, US 78 was realigned from Meeting Street to Rivers Street, south of Durant Avenue in the Charleston area. Also in 1939, US 78 was fully paved in the state, its last unpaved section was between St. George and US 178. By 1952, US 78 was placed on new four-lane highway bypassing Clearwater, Burnettown, and Gloverville; also by same year a new bridge was constructed over the Savannah River, leaving Fifth Street Bridge. By 1967, US 78 was adjusted to bypass south of mainstreet Blackville, leaving a secondary road, but was later upgraded as a connector (bannered as a business loop).[2][3]

Major intersections

CountyLocationmi[1]kmDestinationsNotes
AikenState line0.00.0 US 1 south / US 25 south / US 78 west / US 278 west / SR 10 west / SR 121 south – AugustaCrosses the Savannah River; continuation into Georgia
North Augusta0.20.325th Street Bridge / River North Drive
0.71.1 US 25 north / SC 121 north – North Augusta, EdgefieldNorth end of US 25/SC 121 overlap
1.42.3 I-520 (Palmetto Parkway) – Augusta, Columbia, AtlantaI-520, exit 17
Clearwater2.33.7 US 278 east / SC 125 (Atomic Road) – Beech Island, Savannah River Site
SC 421 north (Augusta Road) – Clearwater		East end of US 278 overlap; southern terminus of SC 421
Burnettown4.06.4 SC 126 (Belvedere-Clearwater Road) – Belvedere
Graniteville10.216.4 SC 191 (Main Street) – Graniteville, Vaucluse, Warrenville
Aiken12.219.6 SC 118 (Robert M Bell Parkway / Hitchcock Parkway)To USC Aiken
12.420.0 SC 421 south (Augusta Road)Northern terminus of SC 421
15.524.9 SC 19 (Laurens Street) – Eureka, Edgefield
15.725.3
SC 19 Conn. (Chesterfield Street) – Savannah River Site		Signed also as SC 19
15.825.4 US 1 north (York Street NE)North end of US 1 overlap
​18.129.1 SC 4 east (Wagener Road) to SC 302Western terminus of SC 4
​18.429.6 SC 302 (Pine Log Road/Rudy Mason Parkway)
​34.255.0 SC 781 west (Tinker Creek Road)Eastern terminus of SC 781
BarnwellWilliston37.259.9 SC 39 south (Rosemary Street/Dunbarton Road)South end of SC 39 overlap
37.560.4 SC 39 north (Elko Street/Springfield Road) – SpringfieldNorth end of SC 39 overlap
Elko40.364.9 SC 37 (Bay Street) – Barnwell, Springfield
Blackville46.775.2
US 78 Bus. east (Walker Street)		Western terminus of US 78 Business
46.875.3 SC 3 (Solomon Blatt Avenue) – Barnwell
46.975.5 SC 304 south (Lartigue Street) – Hilda
47.376.1
US 78 Bus. west (Main Street)		Eastern terminus of US 78 Business
BambergDenmark54.988.4 US 321 / SC 70 (Palmetto Avenue) – Orangeburg, Barnwell
Bamberg61.599.0 US 301 / US 601 – Orangeburg, Allendale, Ehrhardt
​71.3114.7 SC 61 south (Edisto River Road)Northern terminus of SC 61
OrangeburgBranchville75.8122.0 US 21 south (Freedom Road) – Smoaks, Walterboro, SavannahSouth end of US 21 overlap
76.0122.3 US 21 north (Freedom Road) – Orangeburg, ColumbiaNorth end of US 21 overlap
DorchesterSt. George88.8142.9 I-95 – Savannah, FlorenceI-95, exit 77
90.9146.3 US 15 (Parler Avenue) – Walterboro, Santee
​104.7168.5 US 178 west (East Main Street) – HarleyvilleEastern terminus of US 178
​107.5173.0 SC 27 north (Ridgeville Road) – Holly HillNorth end of SC 27 overlap
​107.9173.6 SC 27 south (Ridgeville Road) – RidgevilleSouth end of SC 27 overlap
Summerville118.3190.4
US 17 Alt. (North Main Street) – Walterboro, Moncks Corner
118.7191.0 SC 165 (Berlin G. Myers Parkway) – Ravenel
CharlestonNorth Charleston124.7200.7 I-26 – Columbia, CharlestonI-26, exit 205
126.8204.1 US 52 west / N.A.D. Road – Goose Creek, Moncks CornerWest end of US 52 overlap
128.2206.3 I-26 east – CharlestonI-26, exit 209A; no access to I-26 west
132.7213.6 I-526 (Mark Clark Expressway) – Savannah, Mount PleasantI-526, exit 18
135.7218.4 SC 642 west (Dorchester Road)Eastern terminus of SC 642
135.9218.7 SC 7 south (Cosgrove Avenue)Northern terminus of SC 7
136.4219.5 US 52 east (Carner Avenue)East end of US 52 overlap
Charleston141.0226.9Line StreetEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bannered routes

Aiken truck route


U.S. Route 78 Truck
Location: Aiken, South Carolina
Length: 8.4 mi[4] (13.5 km)

U.S. Route 78 Truck (US 78 Truck) is a Truck route of the US 78 that bypasses north of downtown Aiken, via University Parkway and Rudy Mason Parkway. It's routing is in complete concurrency of SC 118, and it also shares with other truck routes from U.S. and State routes. The road is two-lane on both ends, with a four-lane stretches between Laurens Street-Willow Run Road and Old Wagener Road-Charleston Highway. Though the routing is longer than going through the downtown area, it does provide a faster connection with US 1.

Major intersections

The entire route is in Aiken County.

Locationmi[4]kmDestinationsNotes
Aiken0.00.0
US 1 / US 78 / SC 118 / US 1 Truck		Western terminus; South end of US 1 Truck/SC 19 Truck and west end of SC 118 overlap
4.67.4 SC 19 (Laurens Street NW) – TrentonNorth end of SC 19 Truck overlap
5.69.0
US 1 (York Street NE) / US 1 Truck – Batesburg-Leesville		North end of US 1 Truck overlap
​8.313.4 SC 4 / SC 302 east (Wagener Road)East end of SC 302 overlap
​8.413.5 US 78 / SC 118 / SC 302 westEastern terminus; East end of SC 118 and west end SC 302 overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Blackville business loop


U.S. Route 78 Business
Location: Blackville, South Carolina
Length: 0.7 mi[5] (1.1 km)
Existed: 1981–present

U.S. Route 78 Business (US 78 Business) is a short business loop in the central part of the town of Blackville, via Walker and Main Streets. Originally, US 78 traversed along the route until by 1967, when new road south was created, allowing it to bypass Main Street.[2] The old alignment was not made into a business route till at least 1981; however, though it is signed as a business loop, on state and county maps it is officially a connector route in disguise.[3][6]

Major intersections

The entire route is in Blackville, Barnwell County.

mi[5]kmDestinationsNotes
0.00.0 US 78 (Dexter Street) – Williston, DenmarkWestern terminus
0.20.32 SC 3 (Solomon Blatt Avenue) – Barnwell, Columbia
0.71.1 US 78 (Dexter Street) – Denmark, WillistonEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 Google (May 23, 2013). "Route of US 78 in South Carolina" (Map). Google Maps. Google. Retrieved May 23, 2013.
  2. 1 2 General Highway Map, Barnwell County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1967. Retrieved April 11, 2014.
  3. 1 2 General Highway Map, Barnwell County, South Carolina (PDF) (Map). Cartography by SCDOT. South Carolina Department of Transportation. 1987. Retrieved April 11, 2014.
  4. 1 2 "Route of US 78 Truck". Retrieved May 23, 2013.
  5. 1 2 "Route of US 78 Business". Retrieved May 23, 2013.
  6. ↑ General Highway System - Town of Blackville (PDF) (Map). South Carolina Department of Transportation. July 2009. Retrieved July 13, 2013.
U.S. Route 78
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Terminus
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