Highway 41 Project Update

Project Update: July 2025

The Town of Mount Pleasant provided an update on the Highway 41 Corridor Improvements project on June 23, 2025. View the presentation here.

Project Design and Permitting

The project design has been updated to further minimize impacts to wetlands and critical areas. Therefore, the permit applications, Environmental Report and supporting documentation were updated to reflect the reduction in impacts and were resubmitted to the U.S. Army Corps of Engineers (USACE) and South Carolina Department of Environmental Services (SCDES) in March 2025. More information can be found at USACE - SC 41 Corridor Improvements Charleston County, South Carolina.

The project's right-of-way plans have been finalized and are currently under review by SCDOT.

View the most up-to-date project information and facts about the Compromise Alternative here.

Highway 41 Corridor Improvements

Highway 41 Corridor Improvements Skip to main content

View the most up-to-date project information and facts about the Compromise Alternative here.

View the Compromise Alternative map here.

Map showing Project Study Area
Map showing South Carolina counties Charleston County, SC

Located in the heart of Mount Pleasant, Highway 41 is a key corridor connecting the traveling public along US 17 in Charleston County to communities in Mount Pleasant and to I-526. The Highway 41 Corridor Improvements project is a top priority of Charleston County, the Town of Mount Pleasant, and the South Carolina Department of Transportation.

The project is needed to address local and regional growth, increased traffic congestion, safety and emergency response concerns, and inadequate interconnections of transportation modes, including pedestrian and bicycle facilities.

In August 2021, Charleston County Council voted to move the Compromise Alternative forward through the environmental review process and further into design. Learn more about the Compromise Alternative and project development process here.