Duluth and Two Harbors. Formerly known as U.S. 61, the state turned over management of the road to Saint Louis and Lake counties in the 1960s and the two counties then designated the route "County Road 61". The course for Grandma's Marathon follows this road route annually in June. County Road 100 County Road 101 County Road 102 County Road 106 County Road 111 County Road 121 County Road 122 County Road 123 County Road 124 County Road 131 County Road 132 County Road 141 County Road 151 CR 200-CR 599 County Road 200N is a short route that begins at County Road 2 and is the entrance to the Louisiana Pacific. The route travels west and terminates at a 4 way stop with County Road 200E, 7th St and the Louisiana Pacific entrance. The route is known as 25th Ave. County Road 200E County Road 200S County Road 200W County Road 202 County Road 203 County Road 204 County Road 301 County Road 302 CR 600 and up County Road 702 is a route that begins at MN 1 and terminates at a dead end in Stony River Township. County Road 704 is a route begins at MN 1 and terminates at a dead end in Stony River Township. County Road 705 The following is a list of county-maintained roads in Lake County, Minnesota, United States. Some of the routes included in this list are also county-state-aid-highways (CSAH.) Route list References Minnesota Department of Transportation: Geographic Information & Mapping Transportation in Lake County, Minnesota Lake Lake