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I-15 Rose Road Interchange

This project will improve mobility and safety on Interstate 15.

The Idaho Transportation Department will begin reconstructing the Rose Road Interchange in mid-September. The project includes widening the overpass, reconfiguring the interchange ramps, and replacing two canal structures. This project will improve mobility and safety on Interstate 15. Construction will be completed in late 2019.

Construction Update

What to Expect During Construction

When complete, this project will improve mobility and safety at the interchange and benefit surrounding communities. You can expect:

  • Interstate 15 and the interchange ramps will be open during the majority of construction.
  • Overnight closures will be necessary when setting bridge girders and moving ramp traffic.
  • The majority of work will occur during the day (7 a.m. – 5:30 p.m., M–Th).
  • The speed limit will be reduced to 65 mph.
  • Rose Road will be open throughout construction.

Downloads & resources

MaterialsAsset 4
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