South Carolina Department of Transportation


Cherokee County, SC


Highways, Bridges & Civil Infrastructure: Highways & Roadways


Design: Civil Engineering, Utility Engineering, Vehicular Traffic

I-85 Widening Phase 3

The South Carolina Department of Transportation is engaged in the rehabilitation and widening of I-85 in Cherokee and Spartanburg Counties as a means to enhance safety and improve accessibility in the region. The design-build contract is one of the largest infrastructure improvement project ever awarded in South Carolina. 

STV, as a subconsultant, is performing a range of design services, including roadway, drainage and signing/signals design, for a 10-mile section of the interstate in Cherokee County. This section will include widening the roadway from four to six travel lanes between SC 18 to the North Carolina state line. Additionally, four interchanges, including U.S. 29 and SC 5/198 will be improved as part of this $270 million program.