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US-95: Granite North

This project will improve safety by expanding US-95 over Granite Hill, building frontages roads to consolidate access to the highway and realigning the Trails End Road intersection.

Work began in February 2021 is expected to be done in 2022.


Work this season focused on building the frontage road to the east–named Mineral Ridge–so that it could maintain traffic flow during construction by carrying all traffic on US-95. That shift took place in mid-August 2021. More blasting is expected in the fall to prepare for the next season of work.

In 2022, both US-95 expansion and the frontage road to the west–Vintage 95–are expected to be complete. Generally speaking, drivers can expect two lanes through most of construction. Frequent travelers are encouraged to sign up for email updates.

Latest design

Following the public meeting in July 2018, the design team made changes to the project to incorporate feedback, limit impacts and reduce costs.

Note that US-95 intersections with Mara Meadows, Granite Loop Road, Old House Road, Homestead Road and North Williams Lane (at the county line) will be closed and reconnected to frontage roads that will run parallel on both sides of the highway to safely intersect with Idaho Highway 54 or Trails End Road. East Williams Lane will be left as is.

Though not called out in the map, the existing graded gravel path at the south end of the project will be extended through so it can be paved at a later date.

Design update 2019
Traffic running on Mineral Ridge The newly paved frontage road is ready to handle US-95 traffic during construction Aerial photo shows progress in tree removal by March 2021
Spring 2018
Open house
Fall 2019
Design finalized
Fall 2020
Project awarded
2021 - 2022
April 2021

Blasting begins

Blasting begins to build the east-side frontage road.

Fall 2020

Project awarded

The project was awarded to M.A. DeAtly Construction, Inc. for $21 million and equipment was mobilized into the area. 


Traffic will shift in mid-August to the newly paved frontage road to the east. Read more.

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