“Name a Snowplow” entries due by Oct. 31
Teachers of Idaho students (grades 6-12) can submit snowplow 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 30, 2026
ITD and ISP to host annual free winter driving classes in East Idaho
These sessions are taught by actual first responders on multiple dates through the month of November. They will be held in Pocatello, Idaho Falls, Rigby and Rexburg.
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October 29, 2026
Halloween brings spooky road risks; drivers urged to slow down and stay alert
Distracted driving increases significantly during peak trick-or-treat hours. Drivers are urged to put phones away, slow down, and stay alert.
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October 27, 2026
Westbound I-84 traffic to shift to new lanes following overnight ramp closures Oct. 31
ITD finishes final I-84 and Centennial Way improvements.
Upcoming Events
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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
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November 19, 2026 8:30 AM–3:30 PM MST
Transportation Board Meeting – Nov. 2026