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I-84, Exit 25 Improvements

A new signal and additional off ramp capacity will prevent cars from queuing back to the Interstate.

During the evening commute, cars exiting I-84 at Exit 25 are unable to efficiently turn on to Idaho Highway 44. ITD's proposed improvements will add pavement to the ramp to create a more space for a right turn lane and dedicated through-and-left-turn lane. A signal will be constructed to increase safety and efficiency of all movements.

Est. Cost
$1.2 M
Est. Start
Summer 2022
Est. End
Fall 2022
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Proposed Improvements

Related Projects

In the coming years, ITD will address related traffic concerns on this section of I-84. Two projects are currently in development:

  • I-84, State Highway 44 to Centennial Way
    • This project is currently in the environmental clearance phase. The proposed improvements include adding auxiliary lanes between the interchanges at SH-44 (Exit 25), US-20/26 (Exit 26), and Centennial Way (Exit 25).
    • Construction anticipated beyond 2028.
  • I-84, State Highway 44 Interchange Redesign
    • This project will reconstruct the interchange with I-84 and SH-44 to meet the anticipated needs of the area for many years. The project is currently being scoped and will require federal approval before completing environmental clearance, design, and construction.
    • Anticipated construction in 2028.


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