North Dakota Highway 18

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North Dakota Highway 18
ND 18 highlighted in red
Route information
Maintained by NDDOT
Length	242.147 mi[1] (389.698 km)
Existed	1939–present
Major junctions
South end	SD 25 near Claire City, SD
Major intersections	I-94 / US 52 near Casselton ND 200 in Mayville US 2 near Larimore ND 5 in Cavalier
North end	PTH 30 in Neche
Location
Country	United States
State	North Dakota
Counties	Pembina, Walsh, Grand Forks, Traill, Cass, Richland
Highway system
North Dakota State Highway System Interstate US State
← ND 17 → ND 19

North Dakota Highway 18 is a major north–south highway in eastern North Dakota. It runs from Highway 30 at the Canadian border south of Gretna, Manitoba to South Dakota Highway 25 north of Claire City.^[2]