List of Interstate Highways in Maine
# List of Interstate Highways in Maine

## 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 ||||||||
