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ID-41: Lancaster to Boekel

An expanded highway will help meet the growing traffic demands on this highly-used corridor between Rathdrum and Post Falls.

One mile of two-lane highway will be expanded to four lanes. It will be divided by either a 50-foot median or a small curb. A path will be constructed to the east of the highway.

Corridor construction schedule
2020 - 2022
Traffic impacts
Check 511
I-90 interchange construction starts
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Pedestrian improvements

The path will be narrowed from 12 feet to 10 feet north of Nagel Lane, and a parallel path to the west of the highway will be reestablished in this section.


Corridor construction

All work to expand ID-41 is planned for completion in 2022. Expansion will start first with the railroad overpass, with most paving done in 2021 and 2022.

The existing highway will essentially become the southbound lanes of the new highway, allowing much of the work to be constructed with minimal impact.

Once work starts, traffic will continue to run on the current lanes while two new lanes and the railroad overpass are built to the east. Once those lanes are finished, traffic will be moved onto that section while the old section is reconstructed.

download fact sheet
Asset 5
Spring 2020

Expansion to take three years

Due to prolonged right of way negotiations, construction of the entire ID-41 corridor has been extended to 2022.


Work is now underway in the corridor. Read more.

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ID-41: Prairie to Lancaster

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