Zeros (Interstates 10, 20, 30, 40, 50, 60, 70, 80, and 90)
Fives (Interstates 5, 15, 25, 35, 45, 55, 65, 75, 85, and 95)
Singles (Interstates 1, 2, 3, 4, 6, 7, 8, and 9)
Teens (Interstates 11, 12, 13, 14, 16, 17, 18, and 19)
Twenties (Interstates 21, 22, 23, 24, 26, 27, 28, and 29)
Thirties (Interstates 31, 32, 33, 34, 36, 37, 38, and 39)
Forties (Interstates 41, 42, 43, 44, 46, 47, 48, and 49)
Fifties (Interstates 51, 52, 53, 54, 56, 57, 58, and 59)
Sixties (Interstates 61, 62, 63, 64, 66, 67, 68, and 69)
Seventies (Interstates 71, 72, 73, 74, 76, 77, 78, and 79)
Eighties (Interstates 81, 82, 83, 84, 86, 87, 88, and 89)
Nineties (Interstates 91, 92, 93, 94, 96, 97, 98, and 99)
