U.S. Highway 16 Corridor
The South Dakota Department of Transportation (SDDOT) initiated a study of over 16 miles of U.S. Highway 16 between Cathedral Drive/Fairmont Boulevard in Rapid City and the Keystone Wye to address growing traffic volumes and other challenges throughout the area. The corridor is constantly evolving, whether day to day or year to year. Continued development in the area led to notable increases in traffic that are consistent throughout the year. During the summer the corridor sees a spike in tourism-related traffic that brings motorists unfamiliar with the area and a diverse mix of vehicle types.
This study was a collaborative effort among the SDDOT, FHWA, Rapid City MPO, Rapid City, Pennington County, stakeholders, and the public to develop a comprehensive plan for the corridor. This study will serve as a guide to the SDDOT and other agencies along the corridor for future improvements.
U.S. Highway 16 Corridor Study Report