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American Falls: Pocatello Ave / I-86 Business Loop

This project is expected to significantly improve efficiency and safety at the intersection.

The Idaho Transportation Department is designing improvements to the intersection of Pocatello Avenue and the I-86 Business Loop in American Falls. The intersection is located along ID-39, a primary route for trucking and agricultural traffic. It also provides a gateway to the American Falls community.

Asset 1
Project MaterialsAsset 2
Video: Driving a roundabout

Project Update

Based on extensive technical work and community input, the Idaho Transportation Department has determined that the new intersection will be a roundabout. The roundabout has been designed to serve both trucks and local traffic. Construction is expected to begin in 2022.

Spring 2018
Held Community Workshop #1 to identify issues, concerns and suggested intersection improvements
Asset 5
Late Spring 2018
Developed range of intersection improvements
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July 2018
Held Community Workshop #2 to present and gather input on the range of potential intersection improvements
Asset 5
Summer 2018
Begin preliminary design
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November 2018
Held Community Workshop #3 to present and gather input on preliminary design plans and begin final design
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Summer 2019
Hosted community open house to gather input on final design
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2021
Anticipated construction
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Downloads & Resources

MaterialsAsset 4
Project Fact Sheet
Community Workshop #1Asset 4
Presentation Slides Summary
Community Workshop #2Asset 4
Presentation Slides Project area map Alternative 1A | Flyover Ramp: Pocatello Avenue Alternative 1B | Flyover Ramp: SH-39 Alternative 2 | Roundabout Alternative 3 | Continuous Green T Signal Summary
Community Workshop #3Asset 4
Presentation Slides Recommended Improvements Map Workshop #3 Summary January 2019 Update
Community Open House - August 1, 2019Asset 4
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