South Carolina Highway 642 Explained

State:	SC
Type:	SC
Route:	642
Alternate Name:	Dorchester Road
Map:	SC 642 map.svg
Length Mi:	19.292
Length Ref:	^[1] ^[2]
Established:	1939
Direction A:	West
Terminus A:	near Summerville
Junction:	in North Charleston in North Charleston
Direction B:	East
Terminus B:	in North Charleston
Counties:	Dorchester, Charleston
Previous Type:	SC
Previous Route:	641
Next Type:	SC
Next Route:	651

South Carolina Highway 642 (SC 642, also known as Dorchester Road), is a 19.292miles 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 19.3miles 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 17 Alternate. This has been completed.^[3]

External links

• • SC 642 at Virginia Highways' South Carolina Highways Annex

Notes and References

1. Web site: Highway Logmile Report . . December 29, 2020 .
2. Web site: Highway Logmile Report . South Carolina Department of Transportation . December 29, 2020 .
3. Project #3 Dorchester Road Improvements. Dorchester County Penny Sales Tax Transportation Authority. August 3, 2013.