| 2025-04-16 | Old long-haul hwy. from Detroit to Seattle |
| 2024-09-29 | Hwy. that includes a Lake Michigan ferry crossing |
| 2021-07-02 | Hwy. through Fargo and St. Paul |
| 2020-10-09 | Hwy. through St. Paul, Minn. |
| 2018-03-18 | North Dakota-to-Michigan hwy. |
| 2016-06-28 | Hwy. through Minnesota, Wisconsin and Michigan |
| 2015-04-21 | Hwy. cut into two parts by Lake Michigan |
| 2009-02-26 | Old hwy. from Detroit to Seattle |
| 2006-06-16 | Rte. that crosses Lake Michigan by ferry |
| 1998-09-20 | Minneapolis-to-Fargo hwy. |
| 1997-08-30 | East-west road through St. Paul |