U.S. Federal Route 151 runs across Linn County in a angel. Entering from Jones County, this route heads in a southwest direction through Cedaer Rapids to Benton County. U.S. Rt. 151 passes through the following towns in Linn County. Springville Marion Cedar Rapids Fairfax U.S. Rt. 151 is multi-plexed in Linn County. U.S. Rt. 218, at Cedar Rapids.
Spur of U.S. Rt. 151 in Linn County. A BGS on WB U.S. Rt. 30/SB U.S. Rt. 151/NB U.S. Rt. 218. NB U.S. Rt. 151/EB U.S. Rt. 30 near I-380/IA 27 at Cedar Rapids. BGS on NB I-380/U.S. Rt. 218/IA 27. NB U.S. Rt. 151/EB U.S. Rt. 30 on the Lincoln Freeway. BGS on NB U.S. Rt. 151/EB U.S. Rt. 30 near IA 13. NB U.S. Rt. 151/EB U.S. Rt. 30 near IA 13. Heading north on U.S. Rt. 151/IA 13 near Bertram.