The U.S. 89 project will improve safety and mobility on U.S. 89 and at connections with local cross streets by widening U.S. 89 to three lanes in each direction; adding interchanges – bridges over U.S. 89 with on/off-ramps – at 200 North/400 North, Oak Hills Drive, Gordon Avenue and Antelope Drive; and adding bridges over U.S. 89 at Nicholls Road and Crestwood Road. The project will also improve connections between U.S. 89 and Main Street, S.R.193 and Interstate 84. Some sections of new frontage road will be constructed to improve access to existing frontage roads and local streets. This will help local traffic access the new interchanges and crossings efficiently. The frontage road system will also function as a signed bicycle route.