Popular Services & Guides
Join our team!
Working at ITD can be a lifetime career choice with the opportunity for growth and advancement.
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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SH-16 Construction
SH-16 will improve regional mobility, provide access to I-84 in the rapidly growing central Treasure Valley, and improve commutes for thousands of motorists.
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I-90, US-95 Interchange
The I-90 and US-95 Interchange is the first interchange to advance from the I-90 Corridor Study, with a design focused on expanding capacity, improving safety, and accommodating future traffic growth.
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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.
Recent News
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March 13, 2026
Turning frustration into understanding through project outreach
ITD PIOs work to connect public to projects.
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March 12, 2026
Operation Clean Sweep returns to North Idaho for second year
Volunteers invited to participate in second annual litter cleanup event in North Idaho to keep roadways safe and beautiful.
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March 11, 2026
ITD encourages drivers to prepare for severe storm conditions across North and North Central Idaho
Drivers are urged to prepare for safe travel ahead of a significant winter storm forecasted for the Inland Northwest.
Upcoming Events
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March 18, 2026 8:00 AM– 5:00 PM MST
Transportation Board Meeting – March 2026
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March 25, 2026 7:00 AM– 4:00 PM MST
Operation Clean Sweep
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March 26, 2026 4:00 PM– 7:00 PM MST
US-95 Palouse Region Study Public Meeting