The proposed work consists of the widening of approximately 5.7 miles of roadway including US 21 from the intersection of US 21 and SC 160/North White Street to the intersection of US 21 and SC 51 and approximately one mile of SC 51 to the state boundary to improve traffic safety, traffic efficiency to meet current design criteria and to improve stormwater drainage. This project will include impact to a total of 1,378 linear feet of tributaries and 0.984 acres of wetland areas. Specifically, this project will include placement of fill and piping in 1,019 linear feet of tributaries, placement of rock armor rip rap in 359 linear feet of tributaries, placement of fill (including cut/fill) in 0.832 acres of wetlands and mechanical clearing of 0.152 acre of wetlands.