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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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September 14, 2026
Repairs to 2024 flood damage repair on SH-162 begin Monday
ITD is continuing construction on SH-162 on Monday, Sept. 21 to repair 2024 flood damage.
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September 14, 2026
Paving to begin tomorrow on US-30 east of McCammon
Repaving will begin tomorrow, September 15, east of McCammon on US-30
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September 11, 2026
ITD to further restrict heavy commercial traffic from using East Kooskia Bridge on Monday due to safety concerns
ITD is reducing the weight restriction on the East Kooskia Bridge to 8 tons starting Monday, Sept. 14.
Upcoming Events
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September 16, 2026 8:00 AM –
September 17, 2026 5:00 PM MST
Transportation Board Meeting – Sept. 2026
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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