U.S. Federal Route 136 runs briefly in Western Marion County. This runs from the Hendricks/Marion County Line to Speedway. U.S. Rt. 136 passes through the following towns in Marion County. Clemont Indianapolis Speedway U.S. Rt. 136 is not multi-plexed in Marion County. U.S. Rt. 136 crosses the following highways in Marion County. Indiana State Route 134, at Speedway.