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.
Electronic Signs on ID 21
Electronic Signs on ID 21
SH-21 N at Boise
near Boise
SH-21 N at Idaho City
in Idaho City
SH-21 N at Lowman
32 miles north of the Idaho City area
SH-21 S at Stanley
near Stanley