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 9, 2026
Safety improvements scheduled next week on SH-55 near Banks
Motorists should expect daytime delays on SH-55 south of Banks from Monday, Oct. 12, through Thursday, Oct. 15, as crews complete safety improvements near the Fleming Creek Bridge.
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October 9, 2026
National title winners!
ITD's road maintenance team won the national title for the 5th time in 6 years!
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October 9, 2026
I-84 to close Thursday between Garrity (Exit 38) and Ten Mile (Exit 42)
I-84 will close overnight between the Garrity and Ten Mile interchanges Thursday, Oct. 15, for bridge deck work on the new SH-16 flyover ramps.
Upcoming Events
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October 12, 2026 All Day
Columbus Day
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October 14, 2026 8:30 AM–3:00 PM MST
Transportation Board Meeting – Oct. 2026
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October 29, 2026 1:30 PM–3:00 PM MST
Dealer Advisory Board Meeting