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ID 21
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Truck Restrictions on ID 21
Map of Reports on ID 21 Between I-84 and East Grand Forest Drive and Technology Way (near Boise). Road construction work is in progress. The roadway is reduced to one lane. Look out for flaggers. Speed restrictions are in force. Speed limit 25 MPH. Until October 1. Between Robie Creek Road (14 miles north of the Boise area) and Cape Horn Road (9 miles south of the Stanley area). Road maintenance work is in progress. The roadway is reduced to one lane. Look out for flaggers. Short delays are possible. From 8:00AM MDT to 4:30PM MDT on Monday, Tuesday and Wednesday. Until Wednesday, at about 4:30PM MDT. Between Main Street and Mores Creek Summit (11 miles north of the Idaho City area). Look out for loose gravel on the roadway.
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