The Utah Department of Transportation (UDOT) completed construction on 400 South (State Route 77) in March 2018. UDOT widened and reconstructed the road to five lanes from Interstate 15 (I-15) to Spanish Fork Main Street. The project also installed sidewalk, curb, gutter, and drainage improvements, and an 8’ sound wall adjacent to the residences on the south side of the road. To improve traffic flow, the project added another eastbound to northbound turn lane at the 400 South interchange.
This project has been completed.