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.
-
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.
-
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.
-
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.
Recent News
-
March 20, 2026
Nighttime closure planned March 26 on SH-55 in Caldwell
ITD installs a pressure irrigation line on Karcher Road.
-
March 20, 2026
Community working group to assist development of replacement plans for US-93 Salmon River Bridge
As plans to replace the single river crossing in Salmon get underway, early community input will help ITD develop alternatives to share at a public meeting to be held later this year.
-
March 19, 2026
ITD invites the community to provide input for US-95 Palouse Region Study both in person and on-line
An online public meeting for the US-95 Palouse Region Study begins today, March 19. You're invited to attend in person on Thursday, March 26, in Moscow.
Upcoming Events
-
March 25, 2026 7:00 AM– 4:00 PM MST
Operation Clean Sweep
-
March 26, 2026 4:00 PM– 7:00 PM MST
US-95 Palouse Region Study Public Meeting
-
April 1, 2026 2:00 PM– 3:00 PM MST
Donate Life Event