U.S. Route 201 is part of the nationwide system of United States Numbered Highways. It runs for 157.46 miles (253.41 km) entirely within the state of Maine and is a spur route of U.S. Route 1. Its southern terminus is in Brunswick at US 1 and Maine State Route 24 Business. Its northern terminus is at the Canada–US border near Jackman, where it connects to Quebec Route 173.
U.S. Route 302 is an east–west spur of U.S. Route 2 in northern New England in the United States. It currently runs 171 miles (275 km) from Montpelier, Vermont, beginning at US 2, to Portland, Maine, at U.S. Route 1. It passes through the states of Vermont, New Hampshire and Maine.
Interstate 195 (I-195), also known as the Saco Industrial Spur, is a short auxiliary Interstate Highway running 1.55 miles (2.49 km) in eastern York County, Maine. The highway, located entirely in the city of Saco, is a nominally east–west route that provides access to downtown Saco and the resort town of Old Orchard Beach from I-95. The western terminus of I-195 is at a trumpet interchange with the Maine Turnpike in central Saco. The route has numbered interchanges with Industrial Park Road, US Route 1 (US 1), and State Route 5 (SR 5) before terminating at an at-grade intersection with SR 5 near the border between Saco and Old Orchard Beach.
New Hampshire Route 11 is a 108.223-mile-long (174.168 km) east–west state highway in New Hampshire, running completely across the central part of the state. Its western terminus is at the Vermont state line in Charlestown, where it continues west as Vermont Route 11. The eastern terminus is at the Maine state line in Rochester, where it crosses the border with U.S. Route 202 and continues as Maine State Route 11.
State Route 25 (SR 25) is part of the system of numbered highways in Maine. It runs for 42.4 miles (68.2 km) across the south central part of the state. SR 25 begins at the New Hampshire border near Porter, where it continues west as New Hampshire Route 25 (NH 25). Its eastern terminus is in downtown Portland at the intersection of Park Avenue and State Street. Administratively, it shares a terminus with SR 22 and SR 77.
New Hampshire Route 9 is a 109.910-mile-long (176.883 km) state highway located in southern New Hampshire. It runs across the state from west to east and is a multi-state route with Vermont and Maine, part of 1920s-era New England Interstate Route 9.
State Route 4 is a 168.85-mile (271.74 km) long state highway located in southern and western Maine. It is a major interregional route and the first such route to be designated in the state. The southern terminus is at the New Hampshire border in South Berwick, where it connects to New Hampshire Route 4, and the northern terminus is at Haines Landing on Mooselookmeguntic Lake in Rangeley. Major cities and towns along the length of SR 4 include Sanford, Gorham, Windham, Auburn and Farmington.
Route 21 is a 13.73-mile-long (22.10 km) south–north state highway in Massachusetts that runs between U.S. Route 20 and Route 141 in Springfield and Route 9 in Belchertown. Along the way it intersects several major highways including Interstate 90 (I-90) in Ludlow and US 202 and Route 181 in Belchertown.
U.S. Route 4 in New Hampshire runs for 106.834 miles (171.933 km) across the central and southern part of the state, stretching from Lebanon on the Connecticut River border with Vermont southeast to Portsmouth on the eastern coast.
State Route 98 (SR 98) is a short state highway in southwestern Maine. It is a 2.8-mile-long (4.5 km) connection between the city of Saco and Old Orchard Beach between U.S. Route 1 (US 1) and SR 5/SR 9. SR 98 is signed as an east–west highway although its orientation is more northwest-to-southeast.
State Route 161 (SR 161) is part of Maine's system of numbered state highways. It runs 86 miles (138 km) from Fort Fairfield to Allagash. It begins at the Fort Fairfield–Andover Border Crossing along the Canada–US border to Dickey Road near the confluence of the Allagash and Saint John rivers.
State Route 112 (SR 112) is part of Maine's system of numbered state highways, running from SR 9 in Saco to SR 114 in Gorham. The 26-mile-long (42 km) route runs in a C-shape and is signed as north–south.
State Route 117 is part of Maine's system of numbered state highways, running from SR 112 in Saco to SR 219 in Turner.
State Route 17 is part of Maine's system of numbered state highways, located in the south central part of the state. It is a major regional route running for 131.21 miles (211.16 km) from an intersection with State Route 4 in Oquossoc to an intersection with U.S. Route 1 and U.S. Route 1A in Rockland.
State Route 32 is part of Maine's system of numbered state highways, located in the southern coastal part of the state. It runs 58.39 miles (93.97 km) from an intersection with SR 130 in Bristol north to Windsor where it ends at U.S. Route 202 (US 202), SR 100, and SR 137 Business.
State Route 69 (SR 69) is part of Maine's system of numbered state highways, located in the central coastal region of the state. It runs 34.86 miles (56.10 km) from SR 11 and SR 100 in Pittsfield to US 1A in Winterport. SR 69 is signed east-west, but follows a northwest-to-southeast routing.
State Route 160 is part of Maine's system of numbered state highways, located in the southwestern part of the state. It is a north–south highway running 32.64 miles (52.53 km) from an intersection with State Route 5 in Limerick to an intersection with State Route 117 in Denmark.
State Route 219 is part of Maine's system of numbered state highways, located in the western central part of the state. It runs for 35.1 miles (56.5 km) from the town center of Greenwood to an intersection with State Route 133 in Wayne.
State Route 120 (SR 120) is a state route in the U.S. state of Maine that runs from SR 5 in Andover to the U.S. Route 2 (US 2) and Lincoln Avenue intersection in Rumford. SR 120 runs through the towns of Roxbury and Mexico as well.
State Route 108 (SR 108) is part of Maine's system of numbered state highways, located in Oxford and Androscoggin counties. Its western terminus is in Rumford, at the intersection with U.S. Route 2 (US 2). Its eastern terminus is at Turner, at the intersection with SR 219.
SR 9 in Old Orchard Beach 
SR 120 in Andover 
