U.S. Federal Route 20 is a east-west highway across Central Stephenson County. This highway has by-passed the Freeport Area. The by-pass is being up-graded to four-lanes. As of June, 2005, it is a four-lane highway from east of Freeport to the Stephenson/Winnebago County Line. U.S. Rt. 20 passes through the following towns in Stephenson County. Eleroy
U.S. Rt. 20 is not multi-plexed in Stephenson County. U.S. Rt. 20 intersects the following highways in Stephenson County. Illinois State Route 73, near Lena. BUSN U.S. Rt. 20, near Freeport.