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Delemar Highway (SC-165) Widening and Improvement Project

The Delemar Highway widening and improvement project will consist of widening 2.3 miles of Delemar Highway (SC 165) from two lanes to five lanes.


The project extends from Ashley Ridge High School to Carolinian Drive in unincorporated Dorchester County.


In order to improve safety, provide for alternative transportation modes along this corridor, and increase capacity, the following improvements are being made:


Construct two 12’ through travel lanes in each direction; construct a 15’ (typ.) center median between the travel lanes to accommodate turning traffic;


Construct auxiliary turning lanes; construct 4’ wide dedicated, marked bicycle lanes in each direction; construct a 8’ wide sidewalk to provide pedestrian access for Ashley Ridge High School;


Construct 6’ wide grassed shoulders for safety and emergency access; drainage improvements will include replacement of existing pipe culverts and driveway pipes, and construction of ditches;


And an existing double 8’ x 5’ box culvert will be extended 10 feet in order to accommodate the widened roadway.


The Contractor will deploy work zone traffic control practices in order to provide for safe maintenance of traffic throughout the project and utilization of sediment and erosion control measures in accordance with the permits secured for this project.


This project is funded through a grant from the South Carolina State Transportation Infrastructure Bank, CTC Funds, and Dorchester County Capital Funds.



Project Updates


Wednesday, March 8, 2017 - Muck and Fill and Subgrade work ongoing.

 Much and Fill March 2017


Monday, November 28, 2016 - Land Clearing Operations began.


Land Clearing

Last updated: 7/3/2017 3:59:41 PM