I-526 Widening (MM 18 – 30)

The project includes widening I-526 from 4 to 6 lanes for approximately 12 miles in Charleston and Berkeley Counties. In addition to mainline widening, interchange improvements are expected throughout the corridor.

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.