Maine State Route 11A

State Route 11
Route of SR 11 highlighted in red
Route information
Maintained by MaineDOT
Length:	401.2 mi (645.7 km)
Major junctions
South end:	US 202 / NH 11 in Lebanon
	US 202 / SR 109 in Sanford US 302 / SR 114 in Naples US 202 / SR 4 in Auburn I‑95 in Augusta SR 3 in Augusta US 201 / US 202 in Augusta I‑95 in Waterville US 201 / SR 100 in Fairfield I‑95 in Newport US 2 / SR 100 in Newport
North end:	US 1 / SR 161 in Fort Kent
Location
Counties:	York, Cumberland, Androscoggin, Kennebec, Somerset, Waldo, Penobscot, Piscataquis, Aroostook
Highway system
Maine State Highway System Interstate U.S. State ← SR 10 SR 15 → ← SR 210 SR 212 →

State Route 11 (SR 11) is a state highway in the U.S. state of Maine. It is a continuation of New Hampshire Route 11 at its south end in Lebanon, which itself is a continuation of Vermont Route 11. SR 11 in Maine travels through the counties of York, Cumberland, Androscoggin, Kennebec, Somerset, Waldo, Penobscot, Piscataquis, Aroostook. The road ends at U.S. Route 1 (US 1) and SR 161 in Fort Kent, near the Canada–US border.

At just over 401 miles (645 km), SR 11 is the longest state highway in Maine, and the second longest numbered highway in the entire state (behind US 1, which runs just over 527 miles (848 km) in Maine). It is almost 100 miles (160 km) longer than Maine's longest Interstate Highway, its 303-mile (488 km) section of Interstate 95 (I-95). Overall, Route 11 in Maine, New Hampshire, and Vermont are 551.7 miles (887.9 km) long.