U.S. Federal Route 218 runs north-south along Western Bremer County. This runs from the Bremer/Chickasaw County Line to the Bremer/Black Hawk County Line. It has one spur at Waverly. U.S. Rt. 218 passes through the following town in Bremer County. Janesville
U.S. Rt. 218 is multi-plexed in Bremer County. Iowa State Route 27, through Bremer County.
Branches of U.S. Rt. 218 in Bremer County. SB U.S. Rt. 218/IA St Rt 27 north of Plainfield. A junction marker on EB IA St Rt 188. SB U.S. Rt. 218/IA St Rt 27 south of Plainfield. SB U.S. Rt. 218/IA St Rt 27 near Waverly. SB U.S. Rt. 218/IA St Rt 27 near Janesville.