 South Carolina Highway 642 | ||||
|---|---|---|---|---|
| Dorchester Road | ||||
 | ||||
| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 19.292 mi[1][2] (31.047 km) | |||
| Existed | 1939[citation needed]–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.
- ^ "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 29, 2020.
- ^ "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 29, 2020.