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Karcher to Franklin Comment Sheet
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In Canyon County, traffic volumes on I-84 are projected to double between now and 2040. ITD recognized this corridor needs attention now, and in response allocated funding for these projects to meet the needs of today and prepare for the future.

See the I-84 Caldwell to Karcher

The Idaho Transportation Department is designing improvements to Interstate 84 between the Karcher Interchange and Franklin Boulevard Interchange in Nampa. The improvements are expected to improve safety, address congestion and benefit the regional economy for many years.

Construction Update

Project map

Downloads & resources

Fact SheetsAsset 4
June 2018 Open House Display BoardsAsset 4
Asset 5
November 18

Shoulder widening complete

The Idaho Transportation Department completed widening the shoulders on Interstate 84, clearing the way for major construction in 2019.

The newly reconstructed shoulders will serve as temporary travel lanes during major I-84 construction in 2019.

Asset 5
November 2018

Overnight closures at WB Northside on-ramps

The westbound on-ramps at the Franklin and Northside interchanges close on several occasions while the Idaho Transportation Department rebuilds the interstate shoulders near the ramp.

News Story
Asset 5
September 26

Shoulder Widening

ITD begins a shoulder reconstruction and widening project between Karcher Road and Franklin Boulevard in Nampa. Construction will take place from September - November 2018.

News story
Asset 5
June 2018

Community Open House #2

ITD held a second round of community open houses on June 26, 27 and 28 to present project plans and discuss construction sequencing for your review and comment.

Open House Displays Open House Maps
Asset 5
Spring 2018

Karcher Road Overpass Final Design Plans

ITD completed the design plans to replace the Karcher Road Overpass in Nampa.

Asset 5
December 2017

Community Workshop #1

ITD held the first community workshop to present design plans and gather comments.

Workshop #1 Summary Workshop #1 PowerPoint
Asset 5
Fall 2017

Project Kick-off

ITD began design plans for I-84 widening.


What is happening now?

ITD completed widening the shoulders on Interstate 84, clearing the way for major construction in 2019.

What is next?

In early 2019, ITD will begin construction on Karcher Road Overpass. ITD continues to finalize design plans on the I-84 corridor between Karcher Road and Franklin Boulevard.

Please drive carefully.

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