List of lettered highways in Maine
From 1914 to 1925, Maine used a system of lettered highways to designate cross-state routes. This system was the first of its kind in the United States coordinated by a single state, predating Wisconsin's system by three years. Though it is unclear as to whether the system lasted through the recognition of pole-marked auto trails by the State Highway Commission in 1919, both systems were abandoned by 1925 in favor of the New England interstate highway system.
| Lettered highways in Maine | |
|---|---|
Maine's early highway system | |
| System information | |
| Maintained by MaineDOT | |
| Highway names | |
| Interstates | Interstate x (abbreviated I-X) |
| US Highways | U.S. Route x (abbreviated US-X) |
| State | State Route x or Route x (abbreviated SR X) |
| Lettered routes | Route x |
| System links | |
List of routes
* Indicates route not finalized by 1914 report
References
- Nelson, Lyman H.; Deering, Philip J.; Ayer, William M. (1914). First Annual Report of the State Highway Commission of the State of Maine (1st ed.). Waterville: Sentinel Publishing Company – via Google Books.
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