US 51 intersection (5 points intersection)

(Center Ave, Milwaukee St, Court St, and Centerway) Janesville, Rock County

Schedule

Weekly update – week of 9/29/25

Current Construction Operations:

  • Crew is on site this week to continue and finish the installation of the new watermain on the west side of the intersection.
  • Crew on site this week working to remove the pavement around the railroad tracks.

Upcoming Construction Operations:

  • Anticipated for early next week – Crews will be on site working near the railroad tracks to install temporary shoring for completion of the jacking and boring for the storm sewer under the tracks.  Please note that due to railroad requirements the operations starting on 9/29 will occur continuously day and night, for up to 3 weeks, until the completion of the underground work near the railroad.  The construction operations during this timeframe may be loud and disruptive during the overnight hours.  Thank you for your understanding as the crews work diligently to complete the work.

Traffic Updates:

  • Traffic is currently in Stage 2 traffic pattern through the intersection.  (See attached for stage 2 traffic patterns and work zones that will remain closed.)
    • Please drive with caution through work zone with construction activities picking up in the upcoming weeks.
    • Stage 2 traffic pattern 

Local Business Access:

  • As a general note, all businesses near the intersection, or in the area surrounding the intersection are still open and greatly appreciate your business. Especially during construction when the route to the businesses has changed.
  • Be sure to contact the businesses ahead of time to find the best route there.

 

Construction tentatively begins: March 24, 2025

Anticipated completion: October 17, 2025

 

Traffic impacts

Us 51 intersection will be constructed in stages.

  • Stage 1: March 24 – July 3
    • Full closure of the US 51 intersection. Detour utilizes US 14, I-39 and WIS 11.
  • Stage 2: July 4 – August 15
    • US 51 open to one lane of traffic in both directions.