News Flash

Construction and Traffic Updates

Posted on: December 1, 2023

1st Ave & I-80 Interchange Project: Traffic Control Change Starts on December 4

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Drivers on 1st Avenue at I-80 will have new traffic control patterns starting on December 4, 2023

See information below regarding a change in traffic control on 1st Avenue at I-80 starting on December 4, 2023, and continuing until mid-April 2024.

  • On the north side of the interchange, the dedicated southbound 1st Avenue right turn lane to the westbound I-80 on ramp will be moved adjacent to the southbound 1st Avenue through lane.  Drivers will turn right at the traffic signal to head west on I-80. 
  • On the south side of the interchange, pavement markings will be adjusted to improve lane assignments for northbound and southbound 1st Avenue drivers. 

The changes at both locations will be made after the peak morning commute on December 4.

The Iowa Department of Transportation is managing this project. Please check their 511ia.org website for project updates and real-time traffic conditions.

About the Project
The Iowa Department of Transportation is reconstructing the interchange at I-80 exit 242 and 1st Avenue with a diverging diamond interchange (DDI). Major construction started in March 2023. 1st Avenue is reduced to one lane in each direction over I-80 into fall 2024. Drivers should anticipate traffic delays and plan accordingly.

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