US 18/151 and County ID Interchange

Iowa County


  • July 24, 2017 – end of October 2018 – Construction scheduled

Traffic impacts/detours

Fall 2017: Stage 1 construction with be performed. The major grading will occur south of US 18/151.

Spring 2018: The completion of Stage 1 will move traffic to outside lanes to construct crossovers in the median west of County BB and East of County HHH. Once the crossovers are complete, Stage 2 will move traffic to the US 18/151 westbound side going counter directional.

Summer 2018: Around July, stage 3 will move traffic to US 18/151 eastbound side going counter directional.

During Stage 2 and Stage 3 no left turn movements will be allowed on or off US 18/151. The Military Ridge Trail may be closed for up to 30 days.

Residents living on Moon Road will either use Prairie Road going north or south depending on road closures.

County BB will be detoured for a short period of time during Stage 4.  A detour using County Y, WIS 191 will be set up. The crossovers will be removed.

The County HHH Interchange will be open in November 2018.