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South Carolina Highway 70 (SC 70) is a 29.990-mile (48.264 km) primary state highway in the U.S. state of South Carolina. It connects the cities of Barnwell and Denmark with Orangeburg via U.S. Route 301 (US 301) and US 601.[4]
 South Carolina Highway 70 | ||||
|---|---|---|---|---|
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| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 29.990 mi[1][2][3] (48.264 km) | |||
| Existed | 1938[citation needed]–present | |||
| Major junctions | ||||
| West end |   US 278 / SC 64 in Barnwell | |||
| East end |   US 301 / US 601 near Cordova | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Barnwell, Bamberg, Orangeburg | |||
| Highway system | ||||
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SC 70 is connected together with barnwell, Denmark, Orangeburg and Allen St And Main St is Connected together
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It was established around 1938 as a new primary routing from SC 64 in Barnwell to SC 6 in Denmark. In 1940, SC 70 was extended in both directions: west in concurrency with SC 64 to the Salkehatchie River, and east on new primary routing to SC 332. In 1941 or 1942, SC 70 was extended southwest on new primary routing to SC 28, then in concurrency with it to Martin, where it went southeast as new routing to SC 631. This would be SC 70 longest length with it reaching over 42 miles (68 km) long.
In 1948, SC 70 was converted back to its original 1938 routing between Barnwell and Denmark; however a four-mile (6.4 km) section also existed between Martin and SC 37. All roads not in concurrency were reverted to secondary status.
Around 1952, the Martin to SC 37 piece of SC 70 was downgraded to secondary status, becoming Revolutionary Trail (S-3-47). Around 1958, SC 70 was re-extended east of Denmark to its current eastern terminus with US 301/US 601.
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| County | Location | mi[1][2][3] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Barnwell | Barnwell | 0.000 | 0.000 | US 278 / SC 64 / Dunbarton Boulevard – Williston, Aiken, Allendale, Charleston | Western terminus |
| 0.420 | 0.676 |  SC 3 (Marlboro Avenue) – Allendale, Columbia | To Barnwell State Park | ||
| Hilda | 7.300 | 11.748 |  SC 304 (Hilda Road / Broughton Street) – Hilda, Blackville | ||
| Bamberg | Denmark | 14.540 | 23.400 |   US 321 south (Carolina Highway) – Olar, Savannah | Western end of US 321 concurrency |
| 14.820 | 23.850 |  US 78 (Heritage Highway) – Bamberg, Charleston, Blackville, Aiken | To Barnwell State Park | ||
| 15.220 | 24.494 |  US 321 north (Carolina Highway) – Norway, Columbia | Eastern end of US 321 concurrency | ||
| Orangeburg | | 22.590 | 36.355 |  SC 332 (Cope Road) – Cope, Norway | |
| | 29.990 | 48.264 | US 301 / US 601 (Bamberg Highway) – Bamberg, Orangeburg | Eastern terminus | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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 .svg){kind=small} South Carolina Highway 70 Alternate | |
|---|---|
| Location | Barnwell |
| Existed | c.1939–1947 |
South Carolina Highway 70 Alternate (SC 70 Alt.) was an alternate route that existed in the southeastern part of Barnwell. It was established by 1940 on a backwards L-shaped path from SC 3 east-northeast on Hagood Avenue, then north-northwest on Carolina Avenue, to end at SC 70. In 1947, it was decommissioned.
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