South Carolina Highway 642 | ||||
|---|---|---|---|---|
| Dorchester Road | ||||
 | ||||
| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 19.292 mi[1][2] (31.047 km) | |||
| Existed | 1939–present | |||
| Major junctions | ||||
| West end |   US 17 Alt. near Summerville | |||
| ||||
| East end |   US 52 / US 78 in North Charleston | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Dorchester, Charleston | |||
| Highway system | ||||
| ||||
South Carolina Highway 642 (SC 642, also known as Dorchester Road), is a 19.292-mile (31.047 km) state highway in the southeastern part of the U.S. state of South Carolina. It travels within the Summerville and North Charleston areas.
Route description
SR 642 runs for 19.3 miles (31.1 km) from U.S. Route 17 Alternate (US 17 Alt.) southwest of Summerville to US 52/US 78 in North Charleston.[3] Dorchester Road is a heavily congested highway during morning and evening traffic periods.
History
Current plans call for widening of the road from Summerville to US 17 Alternate. This has been completed.[4]
Major intersections
| County | Location | mi[1][2] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Dorchester | | 0.000 | 0.000 | US 17 Alt. (US 17 Alt. Truck begins) – Walterboro, Bamberg, Summerville | Western end of US 17 Alt. Truck concurrency; western terminus of SC 642; southern terminus of US 17 Alt. Truck |
| | 2.832 | 4.558 |  SC 165 (Bacons Bridge Road / US 17 Alt. Truck north) – Summerville, Charleston | Eastern end of US 17 Alt. Truck concurrency | |
| Charleston | North Charleston | 16.542– 16.602 | 26.622– 26.718 |  I-526 (Mark Clark Expressway) – Mt. Pleasant, Savannah, GA | I-526 exit 15 |
| 18.602 | 29.937 |  I-26 – Columbia, Charleston | I-26 exit 215 | ||
| 19.292 | 31.047 | US 52 / US 78 (Rivers Avenue) | Eastern terminus | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
See also
References
- 1 2 "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 29, 2020.
- 1 2 "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 29, 2020.
- ↑ Google (August 29, 2014). "South Carolina Highway 642" (Map). Google Maps. Google. Retrieved August 29, 2014.
- ↑ "Project #3 Dorchester Road Improvements" (Press release). Dorchester County Penny Sales Tax Transportation Authority. Retrieved August 3, 2013.
External links
Template:Attached KML/South Carolina Highway 642
KML is from Wikidata
Media related to South Carolina Highway 642 at Wikimedia Commons- SC 642 at Virginia Highways' South Carolina Highways Annex
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