List of state routes in Maine

State routes in Maine are highways within the Maine State Highway System that are signed and maintained by the Maine Department of Transportation, and not U.S. Routes or routes of the Interstate Highway System. Some parts of these roads are maintained by local government authorities. There are over 100 State routes.

State Routes in Maine
Standard markers of State Routes in Maine
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
Maine State Highway System Interstate US State Auto trails Lettered highways

Note about termini: In several cases there is disagreement between the administrative termini of a route (which are defined by MaineDOT) and the termini signed in the field. All termini listed on this page are administrative termini; discrepancies are listed on the respective pages.^[1]