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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.

Read MoreAsset 1

Alternative 1A | Flyover Ramp: Pocatello Avenue

Westbound traffic from I‐86 is taken to Pocatello Avenue via a bridge over bypass traffic.

Download comment sheet

Alternative 1B | Flyover Ramp – SH‐39 Bypass

Eastbound traffic from SH‐39 is taken to I‐86 via a bridge over Pocatello Avenue.

Download comment sheet

Alternative 2 | Roundabout

A modern one‐lane roundabout designed to handle large trucks.

Download comment sheet

Alternative 3 | Continuous Green T Signal

A three‐phase signal with priority given to SH‐39.

  • Left‐turning Pocatello Ave to SH‐39 is stop controlled.
  • Westbound I‐86 to Pocatello Ave is a yield controlled left turn.

Download comment sheet

Spring 2018
Held Community Workshop #1 to identify issues, concerns and suggested intersection improvements
Asset 5
Late Spring 2018
Developed range of intersection improvements
Asset 5
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
Asset 5
November 2018
Community Workshop #3 to present and gather input on preliminary design plans and begin final design
Asset 5
Early 2019
Community open house to gather input on final design
Asset 5
Anticipated construction
Asset 5

Downloads & resources

MaterialsAsset 4
Community Workshop #1Asset 4

Community Workshop #3

November 15, 2018

4:00 pm - 6:30 pm

American Falls Library

A community workshop to review feedback and outcomes from workshop #2, and to gather input and feedback to prepare the final design.

Upcoming meetings

November 15, 2018
American Falls Library
4:00 pm - 6:30 pm
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