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 1, 2026
ITD supports WYDOT as new ‘Safe Pass Program’ begins for Teton Pass
All vehicles 10,000 GVW or higher must now pre-certify before traveling Teton Pass. ITD is supporting WYDOT's Safe Pass Program through advanced warning signs at detour points across east Idaho.
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October 1, 2026
SH-54 traffic circle at Farragut State Park to close Monday for paving
Starting Monday, drivers between Athol and Farragut State Park will be detoured through Bayview as the traffic circle closes for two days for paving.
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September 30, 2026
Idaho students invited to ‘Name a Snowplow’ for 3rd year in a row
ITD is inviting 6-12 grade classrooms to help name 12 snowplows.
Upcoming Events
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October 12, 2026 12:00 AM–11:59 PM MST
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