Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Restrictions on US 20: Mountain Home to Arco
US 20: Mountain Home to Arco

Between Glenn's Ferry Road (25 miles west of the Fairfield area) and Second Street West (Fairfield). Road construction work is in progress. Road maintenance work is in progress. A seal coat treatment has been applied. The road is being repaved. The roadway is reduced to one lane. Look out for flaggers. Reduce your speed. There is a width limit in effect. Expect delays. Speed limit 50 MPH. Width limit 12'0". Expect 15 - minute delays. From 7:00AM MDT to 8:00PM MDT on weekdays. Until Thursday, at about 8:00PM MDT.

Web Comment: Intermittent lane reductions along length of project. The road will be milled, seal coated and then repaved. Contractor: Knife River Corp 208-362-6152 Traffic Conrtol: Idaho Traffic Control 208-455-3220

Last updated on July 31

Between Blaine Road and County Line Road; Camp Creek Road (11 miles east of the Fairfield area). Road construction work is in progress. Bridge construction work is in progress. There is work on the shoulder. The road is being repaved. The roadway is reduced to one lane. Look out for flaggers. Expect delays. Drive carefully. Speed restrictions are in force. There is a width limit in effect. Consider using an alternate route. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 14'0". From 7:00AM MDT to 7:00PM MDT on weekdays. Until December 15, 2019 at about 7:00PM MDT.

Web Comment: Temporary traffic signals will be in place. Temporary bumps throughout work zone. Contractor is Knife River Corporation 208-362-6152

Last updated on August 16

Between Hot Springs Landing Road and Station Crossing Road (19 to 20 miles east of the Fairfield area). Road construction work is in progress. Bridge construction work is in progress. There is work on the shoulder. The road is being repaved. The roadway is reduced to one lane. Expect delays. Look out for flaggers. Drive carefully. Speed restrictions are in force. There is a width limit in effect. Consider using an alternate route. Expect 15 - minute delays. Speed limit 35 MPH. Width limit 14'0". From 7:00AM MDT to 7:00PM MDT on weekdays. Until December 15, 2019 at about 7:00PM MDT.

Web Comment: Temporary traffic signals in place. Temporary bumps throughout work zone. Contractor is Knife River Corporation 208-362-6152

Last updated yesterday at 5:24pm MDT