Take a Winter Driving Class
Prepare for driving in snow & ice conditions by attending a winter driving safety course in your area.
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.
-
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.
-
I-15 Inkom Corridor
ITD is rebuilding I-15 structures at three locations in and near Inkom.
-
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.
-
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
-
November 9, 2026
New I-84 lanes to open near the Twin Falls Interchange after traffic shift this weekend
The Idaho Transportation Department plans to open new lanes on Interstate 84 after shifting traffic near the Twin Falls Interchange (Exit 173) on Friday and Saturday nights (Nov. 13-14).
-
November 6, 2026
Vinyard Bridge repairs will require week-long nighttime I-84 closure
Repairs to the Vinyard Bridge begin overnight Wednesday, Nov. 11 to fix damage from a crash last December.
-
November 6, 2026
I-15 traffic changes expected next week as paving continues near Fort Hall
Expect single lane traffic next week on I-15 near Fort Hall.
Upcoming Events
-
November 11, 2026 All Day
Veterans Day
-
November 19, 2026 8:30 AM–3:30 PM MST
Transportation Board Meeting – Nov. 2026
-
November 26, 2026 All Day
Thanksgiving