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How we're improving Idaho
Our projects touch every corner of the state and boost quality of life for communities, travelers & visitors.
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I-90 Widening: SH-41 to US-95
The first project from the I-90 Corridor Study aims to improve safety and traffic volume capacity.
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I-15 Inkom Corridor
ITD is rebuilding I-15 structures at three locations in and near Inkom.
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US-20 Idaho Falls to Arco
Improvements are being planned for US-20 west of Idaho Falls to Arco. This important route leads to the Idaho National Laboratory, where more than 6,000 Idahoans are employed.
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I-84 South Jerome Interchange
Crews are working to replace the South Jerome Interchange. The interchange was originally built in 1966, and the new interchange will be a Divided Diamond/Couplet design.
Recent News
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August 4, 2026
ITD announces new leadership changes
These changes are under the leadership of newly appointed ITD Director Alberto Gonzalez, and they will be implemented in the coming weeks.
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August 4, 2026
Bridge strike closes US-26 bridge and right lane of eastbound I-84 in Caldwell
Bridge strike closes US-20/26 and I-84 interchange bridge.
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July 31, 2026
Construction begins Monday on US-95 turn bay at Dufort Road as first phase of future traffic signal project
Phase one of a future traffic signal project begins Monday with the construction of a northbound right turn bay on US-95 at Dufort Road.
Upcoming Events
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August 19, 2026 8:00 AM –
August 20, 2026 5:00 PM MST
Transportation Board Meeting – Aug. 2026
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August 19, 2026 8:30 AM– 12:00 PM MST
Trucking Advisory Council
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August 27, 2026 4:30 PM– 6:30 PM MST
Banks Lowman Intersection Improvement Project Public Meeting