Slow down for Work Zones
Learn more about driving safely in road construction & maintenance work. Stay alert & be careful throughout a work zone.
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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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 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.
Recent News
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June 26, 2026
Idaho DMV announces updated proof of identity requirements
The DMV is updating its Proof of Identity requirements. Customers will need to present valid government‑issued photo ID when establishing a DMV profile.
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June 26, 2026
Collaborations advance transportation research
ITD hosted the Western Transportation Research Consortium meeting in Boise, bringing together western state DOTs to discuss collaboration, technology, and research priorities.
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June 26, 2026
Two new Idaho license plates available July 1st, 2026
Idaho is adding two new license plate designs: an updated agriculture plate that supports classroom education and a black‑and‑white standard plate with high‑contrast lettering for better readability.
Upcoming Events
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July 3, 2026 12:00 AM– 11:59 PM MST
Independence Day (Observed)
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July 7, 2026 1:30 PM– 3:00 PM MST
Dealer Advisory Board Meeting
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July 15, 2026 8:00 AM –
July 16, 2026 5:00 PM MST
Transportation Board Meeting – July 2026