Project #3 Dorchester Road Improvements
SC 642 (Dorchester Road) from US 17A to near S-199 (Trolley Road).
PROJECT COMPLETED
PROJECT DESCRIPTION
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Extends from US 17A to near Trolley Road, approximately 5 miles
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Realigns Dorchester Road at US 17A to improve the intersection
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Widens Dorchester Road from two to five lanes with 4' paved and 6' grass shoulders from US 17A to approximately 0.14 miles west of Orangeburg Road
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Widens Dorchester Road from two to five lanes with curb & gutter and 10' multi-use sidewalk on the north side from Oak Drive to Trolley Road
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Lengthens the culvert at Sawmill Branch
PROJECT NEED
Due to existing traffic congestion and associated delays, the purpose of the proposed project is to improve traffic flow as well as reduce congestion and delays by constructing additional travel lanes. In addition, bicycles and pedestrians will be accommodated with better accessibility. Intersection improvements will be constructed at US 17A, SC 165 ( Bacons Bridge Road), and S-22 ( Orangeburg Road).
The table shown compares the 2004 Average Daily Traffic Counts (ADT) with the projected ADT for 2030. The ADT for 2030 includes the completion of other sales tax projects.
Area of Traffic Data on SC 642 |
2004 ADT |
2030 ADT |
US 17A to S-18-22 |
6,100 |
18,244 |
S-18-22 to SC 165 |
15,900 |
40,421 |
SC 165 to S-18-199 |
21,700 |
49,144 |
PRE-CONSTRUCTION PHOTOS
GROUNDBREAKING CEREMONY PHOTO
June 30, 2011
Pictured from left to right: Marshall Murdaugh
(Chairman, DCTA), Larry Hargett (Chairman, Dorchester County Council), Ron
Patton, PE (Chief Engineer
for Planning, Location, and Design, SCDOT).
CONSTRUCTION PHOTOS
November 2011
FEBRUARY 2013
JUNE 2013
MARCH 2014
SEPTEMBER 2014
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