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Karcher to Franklin Comment Sheet
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The Idaho Transportation Department is beginning to construct 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.

El Departamento de Transportación de Idaho está empezando a construir las mejoras al interestatal 84 entre el cruce de Karcher y el bulevar Franklin en Nampa. Las mejoras están expectados a mejorar la seguridad, se dirige a la congestión y beneficiar la economía local para muchos años

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Para más información y para recibir una hoja de inforamación, por favor llame 208-334-8152
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Text 84CORRIDOR to 22828
$150 million budget for Karcher to Franklin
Construction Early 2019 - Late 2020
Open House Invite | la Jornada de Puerta Abierta

I-84 Projects in Canyon County

Improvements to the I-84 corridor are in multiple stages of design and construction.

– Construction in Nampa between Karcher and Franklin Blvd. (Exit 33 to 36) will begin in early 2019.

– Design of I-84 from Franklin Road to Karcher (Exit 29 to 33) will begin in 2019 and construction is anticipated to begin in 2021.

Project map

Downloads & resources

Fact SheetsAsset 4
June 2018 Open House Display BoardsAsset 4
January 2019 Open HouseAsset 4
Asset 5
Jan 22, 23

January 2019 Open House

ITD is hosting a public open house to present current plans to improve I-84 in Canyon County.

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?

ITD will host public open houses on Jan. 22 and 23 to present current plans for the I-84 projects in Canyon County.

Please drive carefully.

I-84 January Open House

January 22, 2019

4:00 pm - 7:00 pm

Nampa Holiday Inn

The Idaho Transportation Department will invest $343 million into Interstate 84 in Canyon County over the next several years. Multiple stages of study, design and construction are underway. You’re invited to give input on current plans. Usted está invitado a dar sus comentarios en los planes actuales—Mire adentro.

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Upcoming meetings

January 22, 2019
Nampa Holiday Inn
4:00 pm - 7:00 pm
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January 23, 2019
Caldwell Best Western Plus
4:00 pm - 7:00 pm
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