List of Interstates
List of one- and two-digit interstate highways in the United States:
- Interstate 4
- Interstate 5
- Interstate 8
- Interstate 10
- Interstate 12
- Interstate 15
- Interstate 16
- Interstate 17
- Interstate 19
- Interstate 20
- Interstate 24
- Interstate 25
- Interstate 26
- Interstate 27
- Interstate 29
- Interstate 30
- Interstate 35
- Interstate 37
- Interstate 39
- Interstate 40
- Interstate 43
- Interstate 44
- Interstate 45
- Interstate 49
- Interstate 55
- Interstate 57
- Interstate 59
- Interstate 64
- Interstate 65
- Interstate 66
- Interstate 68
- Interstate 69
- Interstate 70
- Interstate 71
- Interstate 72
- Interstate 73
- Interstate 74
- Interstate 75 (See Also: Alligator Alley)
- Interstate 76
- Interstate 77
- Interstate 78
- Interstate 79
- Interstate 80
- Interstate 81
- Interstate 82
- Interstate 83
- Interstate 84
- Interstate 85
- Interstate 86
- Interstate 87
- Interstate 88
- Interstate 89
- Interstate 90
- Interstate 91
- Interstate 93
- Interstate 94
- Interstate 95
- Interstate 96
- Interstate 97
- Interstate 99
- Interstate 238 (an unusual exception to the rules)
Note: Three-digit interstates (with the exception of I-238) are to be discussed in the same article as the one- or two-digit interstate that the three-digit interstate is a spur or loop of, even if plans to build the connection between the "spur" and the main highway never materialized. For example, I-170 is discussed in the I-70 article, and I-278 in New York and New Jersey is discussed in the I-78 article, even though no connection exists between I-78 and any of its spurs or loops. I-238 is an exception because it is not a loop or spur of any one- or two-digit interstate (no I-38 exists anywhere near I-238).
