It's time for the “Name a Snowplow” contest
Idaho students (grades 6-12) have until Oct. 31 to submit plow names.
Popular Services & Guides
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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October 20, 2026
UPDATE: Eastbound I-84 closure between Garrity and Ten Mile moved to tomorrow night
I-84 closured moved to tomorrow night due to weather.
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October 20, 2026
I-90 overnight impacts begin tonight ahead of traffic shift
Drivers will experience short term, overnight lane reductions and ramp closures near the SH-41 interchange ahead of tomorrow's traffic shift.
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October 20, 2026
SH-25 railroad crossing in Rupert to close for repairs this weekend
Traffic will be temporarily detoured around the intersection of SH-24 and SH-25 and the railroad completes improvements at the adjacent crossing to make the roadway smoother.
Upcoming Events
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October 29, 2026 1:30 PM–3:00 PM MST
Dealer Advisory Board Meeting
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November 2, 2026 5:30 PM–7:00 PM MST
South Central: 2026 Winter Driving Class – Nov 2
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November 11, 2026 All Day
Veterans Day