Specifications include, but are not limited to: The Project begins at a point in Mercer County immediately north of the structure carrying US Route 460 over the Interstate Roadways and extends to the North abutment of the Interstate Route 77 Bridge over Penn-Central Railroad tracks and Campbell's Creek near US Route 60 in Kanawha County including all bridges, roadways, interchange ramps to their point of connecting to the State Highway including those connecting to the north side of the aforementioned US Route 460 and the ramps connecting to US 60 in Kanawha County to the north abutment of the interchange ramp bridge over said Penn-Central Railroad tracks, said north abutments being the abutments on the north side of said tracks.