Info Public Information Meeting is now live and comments will be accept until September 2, 2022.
To view the project website, please visit www.SavannahHighway.com.

Featured Projects

Dorchester Road Corridor Improvements

Reduce congestion and increase capacity along Dorchester Road from the Dorchester County line to Michaux Parkway.

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Maybank Highway and Woodland Shores Complete Streets

This project is currently advertised for construction bids. The bid close date is November 13, 2024.

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Maybank Highway Improvements

Phase III, the installation of a “Northern Pitchfork” is open to users, as of March 26, 2024.

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Savannah Highway Capacity and Intersection Improvements

Capacity and intersection improvements within the Savannah Highway corridor between Savage Road and Magnolia Road.

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Airport Connector Road

The Project will provide a new direct access road to Charleston International Airport and a new connection from Dorchester Road to Montague Avenue near the Mark Clark Expressway (I-526).

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Glenn McConnell Parkway Widening

Widening of Glenn McConnell Parkway from four-to-six lanes between Bees Ferry Road and Magwood Drive.

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Highway 41 Corridor Improvements

Widening Highway 41 from US 17 to Wando Bridge including intersection improvements at US 17.

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James Island Intersection and Bike/Pedestrian Improvements

Folly Road Bike/Pedestrian Improvements, Central Park Road & Riverland Drive, Fort Johnson Road & Camp Road, and Fort Johnson Road & Secessionville Intersection Improvements

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Main Road Corridor

This project includes improvements to intersections along Main Road, including US 17, River Road/Chisolm Road, and Maybank Highway, as well as widening segments from Bees Ferry to Betsy Kerrison.

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Mark Clark Extension

The purpose of the Mark Clark Extension SCDOT project is to increase the capacity of the regional transportation system, improve safety, and enhance mobility to and from the West Ashley, Johns Island and James Island areas of the Charleston metropolitan area.

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North Bridge Bike/Ped Study

The current study is focused on developing a plan for a safe and equitable crossing of the Ashley River and connecting the two communities.

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Northside Drive Re-alignment at Ashley Phosphate

Relocate Northside Drive to intersect with Ashley Phosphate Road across from Spa Road.

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Old Towne District Transportation Improvements

Intersection improvements at Orange Grove Road and Sam Rittenberg, bike and pedestrian improvements throughout the corridor, and improvements to traffic flow.

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Palmetto Commerce Interchange

The Palmetto Commerce Interchange project is designed to reduce travel times and improve access options, increase traffic mobility in the I-26/Ashley Phosphate Road area and provide more efficient commute options.

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Palmetto Commerce Parkway Phase 3

The PCP3 Project will provide the last segment in a new connector parkway from Ladson Road to Aviation Ave near I-26, and the Joint Base Charleston.

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US 78 Improvements

Improving US 78 from US 52 to the Charleston County line.

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News Alerts


10-15-2024 First Public Meeting for Dorchester Road Corridor Improvements Project Rescheduled to October 23
09-11-2024 First Public Meeting for Dorchester Road Corridor Improvements Project Set for Sept. 26
08-23-2024 Palmetto Commerce Interchange Bridge Construction, Temporary Nighttime Lane Closures to Begin Monday
08-02-2024 Travel Alert: Work on Phase 2 of Palmetto Commerce Interchange Traffic Plan to Continue
08-01-2024 Charleston County Public Works Officials to Hold Airport Connector Road Project Meeting
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APWA Accredited Agency


The purpose of the accreditation program is to provide a means of formally verifying and recognizing public works agencies for compliance with the recommended practices set forth in the Public Works Management Practices Manual. It is a voluntary, self-motivated approach to objectively evaluate, verify, and recognize compliance with the recommended management practices.