North Dakota Highway 18 starts traveling south at the Canada/United States border south of Gretna, Manitoba.
North Carolina | North America | North Rhine-Westphalia | North Korea | South Dakota | North Yorkshire | highway | University of North Carolina at Chapel Hill | North Island | North Sea | North Africa | North Dakota | North | Raleigh, North Carolina | Chapel Hill, North Carolina | University of North Carolina | Scarborough, North Yorkshire | North Pole | North Vietnam | North Shore | London and North Western Railway | state highway | North American Soccer League | Asheville, North Carolina | North Carolina State University | Greensboro, North Carolina | Princes Highway | North American Free Trade Agreement | Durham, North Carolina | North London |