Iowa State Route 3 is a east-west highway in Northern Dubuque County. This is the eastern most county that it passes through. Prior to 2020, IA St Rt 3 ended in Dubuque. Now it ends at the Northwest Artery at the Sageville/Dubuque City Limits. IA St Rt 3 passes through the following towns in Dubuque County. Luxemburg
Rickardsville
Durango
Sageville
Dubuque
IA St Rt 3 is not multi-plexed in Dubuque County. IA St Rt 3 intersects the following highways in Dubuque County. U.S. Rt. 52, at Luxemburg.
Pictures from the former alignment. NB U.S. Rt. 52/WB IA St Rt 3 in Dubuque. A BGS on EB U.S. Rt. 20. A BGS on NB U.S. Rt. 61/151. A guide marker. A guide marker. The eastern end marker. A guide marker at the start of IA St Rt 3. WB IA St Rt 3 north of Sageville. WB IA St Rt 3 west of Sageville. WB IA St Rt 3 near Whispering Hills Drive. WB IA St Rt 3 at Durango. WB IA St Rt 3 west of Durango. WB IA St Rt 3 near the Little Maquoketa River. WB IA St Rt 3 east of Rickardsville. WB IA St Rt 3 at Rickardsville. WB IA St Rt 3 west of Rickardsville. WB IA St Rt 3 east of Holy Cross. WB IA St Rt 3 west of Holy Cross. WB IA St Rt 3 east of Luxemburg. WB IA St Rt 3 near 1st Street in Luxemburg.
