South Carolina Highway 642 (SC 642, also known as Dorchester Road), is a 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 from U.S. Route 17 Alternate (US 17 Alt.) southwest of Summerville to US 52/US 78 in North Charleston. 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 52/US 78 Alternate. This has been not been completed and will widen the road to a total of 6 lanes with some turning lanes.
Major intersections
See also
References
External links
SC 642 at Virginia Highways' South Carolina Highways Annex