U.S. Federal Route 20 is the main east-west highway across Central Jo Daviess County. This runs from the Iowa/Illinois State Line, at East Dubuque, to the Jo Daviess/Stephenson County Line, near Kent. U.S. Rt. 20 passes through the following towns in Jo Daviess County. East Dubuque Galena
Elizabeth Woodbine U.S. Rt. 20 is mutli-plexed in Jo Daviess County. Illinois State Route 84, near Galena.
EB U.S. Rt. 20 crossing the Mississippi River. The Illinois Welcome Sign on EB U.S. Rt. 20 at East Dubuque. EB U.S. Rt. 20/SB IL St Rt 84 near Galena. EB U.S. Rt. 20/SB IL St Rt 84 in Galena. A Jo Daviess County mile marker. EB U.S. Rt. 20/SB IL St Rt 84 near Lake Galena. EB U.S. Rt. 20/SB IL St Rt 84 near Elizabeth. A junction marker on EB U.S. Rt. 20/SB IL St Rt 84.
