List of Interstate Highways in Maine

Interstate Highways in Maine
Standard markers for Interstate Highways in Maine
Interstate Highways highlighted in red
System information
Maintained by MaineDOT
Formed	June 29, 1957 (1957-06-29)
Highway names
Interstates	Interstate x (I-X)
US Highways	U.S. Route x (US-X)
State	State Route x or Route x (SR X)
System links
Maine State Highway System Interstate US State Auto trails Lettered highways

List

Note about termini: In several cases there is disagreement between the administrative termini of a route (which is 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.

Number	Length (mi)	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-95	303.2	488.0	I-95 in Portsmouth, NH	Route 95 in Woodstock, NB (Houlton–Woodstock Border Crossing)	01956-01-011956	current	Realigned in 2004, former toll-free alignment designated I-295
I-195	1.55	2.49	I-95	SR 5	01982-01-011982	current
I-295	53.61	86.28	I-95	I-95	01956-01-011956	current	Extended in 2004, alignment north of the Falmouth Spur was originally I-95
I-395	5.00	8.05	I-95/SR 15	US 1A	01959-01-011959	current
I-495	—	—	I-95	I-95	01988-01-011988	02004-01-012004	Former designation of the Maine Turnpike north of the Falmouth Spur, redesignated I-95 in 2004
I-495	4.41	7.10	I-95 (Maine Turnpike)	US 1	02004-01-012004	current	Unsigned, formerly I-95 prior to 2004 renumbering; known as the Falmouth Spur
Former

See also

• U.S. Roads portal

• Maine Turnpike