Take a Winter Driving Class
Prepare for driving in snow & ice conditions by attending a winter driving safety course in your area.
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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November 6, 2026
Vinyard Bridge repairs will require week-long nighttime I-84 closure
Repairs to the Vinyard Bridge begin overnight Wednesday, Nov. 11 to fix damage from a crash last December.
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November 6, 2026
I-15 traffic changes expected next week as paving continues near Fort Hall
Expect single lane traffic next week on I-15 near Fort Hall.
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November 5, 2026
Elijah Drain repair work resumes on SH-45 in Nampa Monday
ITD restarts work on Elijah Drain.
Upcoming Events
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November 11, 2026 All Day
Veterans Day
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November 19, 2026 8:30 AM–3:30 PM MST
Transportation Board Meeting – Nov. 2026
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November 26, 2026 All Day
Thanksgiving