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 7, 2026
Wide-load access available starting tomorrow on SH-21 Mores Creek Bridge
ITD is increasing the width restriction on the SH-21 Mores Creek Bridge to better accommodate commercial traffic during construction.
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October 7, 2026
ITD to begin SH-11 landslide stabilization near Greer this week
Construction begins by Saturday, Oct. 10, to stabilize SH-11 on the Greer Grade, with one lane remaining open under temporary signal control.
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October 6, 2026
Resurfacing to I-84 eastbound to begin next week between Kasota and Burley
The Idaho Transportation Department will begin resurfacing Interstate 84 eastbound between Kasota (Exit 201) and Burley (Exit 208) on Oct. 12.
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