Lowcountry Corridor : I-526 Corridor Improvement Project

The project includes widening I-526 from 4 to 6 lanes for approximately 7 miles from Rivers Avenue to Paul Cantrell Boulevard in Charleston County. In addition to mainline widening, interchange improvements are expected throughout the corridor. The project website is at https://www.526lowcountrycorridor.com/ .

Notice to Parties Interested in Providing Design Build Services

Qualifications and/or proposals from any contracting entity must utilize the new ProjectWise electronic proposal submission system. The following information describes the process that teams should follow to access the SCDOT ProjectWise environment for proposal submissions and their respective project data using the new system. Please use this ProjectWise Account Setup & Requirements link to set up accounts.