Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
Reports on ID 21
ID 21
Between Highland Valley Summit and Daggett Grade Road (8 to 13 miles north of the Boise area). Road construction work is in progress. There is work on the shoulder. The roadway is reduced to one lane. Expect delays. Look out for flaggers. Expect 5 - minute delays. Speed limit 35 MPH. From 7:00AM MDT to 12:00PM MDT on Fridays and from 7:00AM MDT to 7:00PM MDT on Mondays, Tuesdays, Wednesdays and Thursdays. Until October 3.