Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
This website will transition to a NEW 511 site. Start using it NOW & give us feedback.
Restrictions on US 20: Idaho Falls to Montana
US 20: Idaho Falls to Montana

At Exit 320: US Route 20 Business (near Rigby). The exit ramp is closed because of construction work. Until Friday, at about 10:00PM MDT.

Last updated on July 5

Between Recreational Access Road and Island Park Dam Road (near Island Park). Look out for construction work. There is work on the shoulder. There is a width limit in effect. Speed restrictions are in force.

Web Comment: Speed limit reduced to 45 MPH. 12 foot width restriction in effect. Monday through Thursday 7 am to 5 pm.

Last updated today at 12:42pm MDT