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For commercial power units over 8,000 lbs, farm power units over 60,000 lobs, permanent trailers and more.
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Getting an Idaho license to operate a commercial vehicle.

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Welcome to the new and improved ITD website

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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.

Southwest Idaho

SH-16 from SH-44 to SH-52

ITD is conducting an environmental reevaluation to gather updated traffic numbers and study potential impacts that improvements would have to the area.
North Idaho

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.
Southeast Idaho

I-15 Inkom Corridor

ITD is rebuilding I-15 structures at three locations in and near Inkom.
East Idaho

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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Recent News

February 19, 2026

Nighttime detours on I-84 near Heyburn next week

A nighttime closure on Interstate 84 near Heyburn (Exit 211) will be in place from Monday, Feb. 23, through Saturday, Feb. 28 as crews build a new bridge for an access road over I-84.
February 19, 2026

Riverton Road Bridge to be replaced this summer

ITD is moving forward with replacement of the Riverton Road Bridge in Blackfoot.
February 18, 2026

Overnight lane closures planned Thursday on SH-45 in Nampa

ITD continues work on the Elijah Drain.

Upcoming Events

March 7, 2026 8:00 AM– 4:30 PM MST

2026 Aviation Safety Stand Down
March 18, 2026 8:00 AM– 5:00 PM MST

Transportation Board Meeting – March 2026
April 15, 2026 8:00 AM –

April 16, 2026 5:00 PM MST

Transportation Board Meeting – April 2026

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