Dave Pilon, Project Manager
(608) 245-2622

Northbound US 151 in Sun Prairie will be reduced to a single lane of traffic beginning Monday (July 10) until September 1. Motorists are urged to reduce speeds in the area and anticipate delays during peak travel times. Both the Main Street ramp and WIS 19/ Windsor Street ramp to northbound US 151 will be closed until September 1. Motorists will be detoured to the northbound ramps at Grand and County N/Bristol Street.

US 151 roadwork will take place MondayFriday between 3 a.m. and 4 p.m. The project is replacing four miles of pavement along the highway. Completion of the $10.1 million project is expected in late October. This schedule is subject to change based on favorable weather conditions and construction status.

Southbound US 151 traffic lanes and ramps are expected to be fully open today.

For additional information and periodic updates on US 151 construction visit the project’s page at:

For more information regarding traffic impacts, transportation news and improvement project updates in Wisconsin’s southwest region:

Alerts and updates provided via these sites are not intended for use while driving.  When driving, your focus should always be on driving.

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