Maine State Route 210

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State Route 210
Route of SR 210 c. 2007 highlighted in red
Route information
Maintained by MaineDOT
Length	6.1 mi[1] (9.8 km)
Existed	1925–c. 2007
Major junctions
South end	US 1 / SR 164 in Presque Isle
North end	US 1 in Presque Isle
Location
Country	United States
State	Maine
Counties	Aroostook
Highway system
Maine State Highway System Interstate US State Auto trails Lettered highways
← SR 209 → SR 211

State Route 210 (SR 210) was a state highway entirely in Presque Isle, Maine. It ran in a 6.1-mile (9.8 km) loop from the intersection of U.S. Route 1 (US 1) and SR 164 along the north and west side of the Aroostook River before turning to the west and ending at US 1. The route was originally designated in 1925, and ran between Fryeburg and North Waterford. During the renumbering^{[clarification needed]}, it became part of SR 5. Between 1937 and 1938, the number was applied to the loop built as a service road for the Northern Maine Sanitarium. Even after the closure of the sanitarium in the 1970s, the road along which the state route ran remains open and in use.^[2]