Maine State Highway System

Maine State Highway System
Interstate 95 marker
U.S. Route 1 marker
State Route 11 marker
Standard markers in Maine
System information
Length22,236 mi[1] (35,785 km)
Highway names
InterstatesInterstate x (I-X)
US HighwaysU.S. Route x (US-X)
StateState Route x or Route x (SR X)
System links

In the state of Maine, the Maine Department of Transportation (MaineDOT) has a system of numbered highways, defined as the "connected main highways throughout the state which primarily serve arterial or through traffic." As of 2006, 22,236 miles[1] of roadway are included in the highway system, including Interstate highways, U.S. Routes, state highways, and other urban and rural local roads.