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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April 30, 2026
Another round of scam texts is making its way through Idaho
The Idaho Transportation Department is warning customers about a new wave of fraudulent text messages impersonating courts, law enforcement, and the DMV.
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April 29, 2026
Construction impacts to begin tomorrow on US-30 through Soda Springs
Construction is scheduled to begin on US-30 through Soda Springs.
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April 28, 2026
Changes to access in SH-53 work zone near Pleasant View Road start tomorrow
Starting tomorrow, traffic changes will impact turn lanes on SH-53, and later this month access for both Hauser Lake Road and Hollister Hills Road will shift to a safer, temporary location.
Upcoming Events
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May 7, 2026 8:00 AM– 9:00 AM MST
Transportation Board Adjustments Subcommittee – May 2026
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May 13, 2026 8:00 AM –
May 14, 2026 5:00 PM MST
Transportation Board Meeting – May 2026
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May 13, 2026 8:30 AM– 12:00 PM MST
Trucking Advisory Council Meeting