In the federal numbering system, odd numbers go with north-south highways, although brief segments may run east-west. The lowest numbers are assigned to the east coast.
U.S. 1: Atlantic Highway, Overseas Highway
U.S. 11
U.S. 13
U.S. 17
U.S. 19 Dixie Highway
Mackinaw City, MI to Jacksonville, FL U.S. 23
U.S. 25 Dixie Highway
U.S. 27
U.S. 31
Lincoln Way: Ft. Wayne to Elkhart, IN U.S. 33 Lincoln Highway (IN)
Michigan City (IN) to Scott Depot (WV) U.S. 35
U.S. 41 Route of the Blue and Gray
U.S. 45
U.S. 51
U.S. 61 Local names: Avenue of the Americas, Airline Highway
U.S. 63
U.S. 65
U.S. 67
International Falls, MN to US-190 (LA) U.S. 71
Canadian border to I-30/45, Dallas, TX U.S. 75
Sioux City, IA at I-29 to Mexican border at Brownsville. U.S. 77
Canadian border (Pembina, ND) to Ft. Worth, TX at I-35W U.S. 81
Terminates at both borders, continuing as MB Highway 83 and as Mexican Federal Highway 180. U.S. 83
U.S. 85 CanAm Highway
Havre, MT to Pt. Lavaca, TX U.S. 87
U.S. 89 National Park Highway
U.S. 93
Canadian border to Mexican border U.S. 95
U.S. 99, Golden State Highway, Canadian border (Blaine, WA) to Calexico, CA
U.S. 101, Oregon Coast Highway, Redwood Highway, El Camino Real, Olympia, WA to Los Angeles
