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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 10, 2026
SH-14 pavement improvements begin next Monday near Elk City
The Idaho Transportation Department will be paving SH-14 near Elk City starting August 17.
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August 10, 2026
Major traffic shift coming up at the State Highway 16 and State Highway 44 intersection
The Idaho Transportation Department will be shifting traffic on SH-16 and SH-44 intersection on August 13
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August 7, 2026
Lane closure begins Aug. 10 for repairs to US-95 Snake River Bridge in Homedale
ITD completes routine maintenance on Snake River Bridge.
Upcoming Events
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August 11, 2026 1:00 PM–3:00 PM MST
Interagency Working Group Fall Meeting
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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