Interstates by StateThis list breaks down the Interstate-Guide by states (and the District of Columbia) and including current, former, future and unsigned routes. Interstate mileage statistics provided for each state and D.C. were obtained from the December 31, 2016 Interstate Route Log and Finders List.
- Alabama | 1,001.39 mi.
-
I-10, I-20, I-22,
I-59, I-65, I-85
-
I-210, I-222, I-422, I-359, I-459,
I-759, I-165, I-565
- Alaska | 1,082.22 mi.
- Arizona | 1,168.64 mi.
- Arkansas | 744.90 mi.
-
I-30, I-40, I-49,
I-55, I-57, I-69
-
I-130, I-430, I-530,
I-630, I-440, I-540,
I-555
- California | 2,455.74 mi.
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I-5, I-8, I-10,
I-15, I-40, I-80
-
I-105, I-205, I-305,
I-405, I-505, I-605,
I-805, I-905,
I-110,
I-210, I-710, I-215,
I-238, I-280, I-380,
I-580, I-680, I-780,
I-880, I-980
- Colorado | 951.85 mi.
- Connecticut | 346.17 mi.
- Delaware | 40.61 mi.
- District of Columbia | 12.27 mi.
- Florida | 1,497.58 mi.
-
I-4, I-10, I-75,
I-95
-
I-110, I-175, I-275,
I-375, I-195, I-295,
I-395, I-595, I-795
- Georgia | 1,243.98 mi.
-
I-16, I-20, I-59,
I-75, I-85, I-95
-
I-516, I-420, I-520,
I-475, I-575, I-675,
I-185, I-285, I-485,
I-985
- Hawaii | 54.91 mi.
- Idaho | 611.76 mi.
- Illinois | 2,181.83 mi.
-
I-24, I-39, I-55, I-57,
I-64, I-70, I-72,
I-74, I-80, I-88, I-90,
I-94
-
I-155, I-255, I-355,
I-270, I-172, I-474,
I-180, I-280, I-190,
I-290, I-390, I-490, I-294
- Indiana | 1,285.52 mi.
-
I-64, I-65, I-69, I-70,
I-74, I-80, I-90,
I-94
-
I-164, I-469, I-265,
I-465, I-865, I-275
- Iowa | 781.24 mi.
- Kansas | 874.34 mi.
- Kentucky | 843.00 mi.
-
I-24, I-64, I-65,
I-66, I-69, I-71,
I-75
-
I-165, I-264, I-265, I-169, I-275,
I-471
- Louisiana | 933.84 mi.
-
I-10, I-12, I-20,
I-49, I-55, I-59,
I-69
-
I-110, I-210, I-310,
I-510, I-610, I-910,
I-220
- Maine | 366.54 mi.
- Maryland | 480.09 mi.
-
I-68, I-70, I-81,
I-83, I-95, I-97
-
I-170, I-270, I-370,
I-195, I-295, I-395,
I-495, I-595, I-695,
I-795, I-895
- Massachusetts | 565.63 mi.
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I-84, I-90, I-91, I-93, I-95
-
I-190, I-290, I-291,
I-391, I-195, I-295,
I-395, I-495
- Michigan | 1,240.77 mi.
-
I-69, I-75, I-94,
I-96
-
I-275, I-375, I-475,
I-675, I-194, I-196,
I-296, I-496, I-696
- Minnesota | 912.73 mi.
- Mississippi | 805.54 mi.
- Missouri | 1,386.23 mi.
-
I-29, I-35, I-44,
I-49, I-55, I-57,
I-66, I-70, I-72
-
I-229, I-435, I-635,
I-155, I-255, I-170,
I-270, I-470, I-570, I-670
- Montana | 1,191.23 mi.
- Nebraska | 481.66 mi.
- Nevada | 596.147 mi.
- New Hampshire | 224.54 mi.
- New Jersey | 431.36 mi.
- New Mexico | 999.90 mi.
- New York | 1,731.46 mi.
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I-78, I-81, I-84,
I-86, I-87, I-88,
I-90, I-95, I-99
-
I-278, I-478, I-678,
I-878, I-481, I-781, I-684, I-287,
I-587, I-687, I-787, I-190
I-290, I-390, I-490,
I-590, I-690, I-790,
I-890, I-990, I-295,
I-495, I-695, I-895
- North Carolina | 1,273.13 mi.
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I-26, I-40, I-42, I-73,
I-74, I-77, I-85, I-87, I-95
-
I-140, I-240, I-440,
I-540, I-840, I-274, I-277, I-285, I-485, I-587, I-785, I-885, I-295, I-495, I-795
- North Dakota | 571.13 mi.
- Ohio | 1,572.35 mi.
-
I-70, I-71, I-74,
I-75, I-76, I-77,
I-80, I-90
-
I-270, I-470, I-670,
I-271, I-471
I-275, I-475, I-675,
I-277, I-280, I-480,
I-680, I-490
- Oklahoma | 930.16 mi.
- Oregon | 727.41 mi.
- Pennsylvania | 1,855.31 mi.
-
I-70, I-76, I-78,
I-79, I-80, I-81,
I-83, I-84, I-86,
I-90, I-95, I-99
-
I-176, I-276, I-376,
I-476, I-576, I-676
I-279,
I-579, I-378, I-180,
I-380, I-283, I-295
- Puerto Rico | 249.77 mi.
- Rhode Island | 68.53 mi.
- South Carolina | 850.80 mi.
-
I-20, I-26, I-73,
I-74, I-77, I-85,
I-95
-
I-126, I-520, I-526, I-185, I-385, I-585
- South Dakota | 678.31 mi.
- Tennessee | 1,959.54 mi.
-
I-24, I-26, I-40,
I-55, I-65, I-69,
I-81
-
I-124, I-140, I-240,
I-440, I-640, I-840,
I-155, I-265, I-269, I-275, I-181
- Texas | 3,501.15 mi.
-
I-2, I-10, I-14, I-20, I-27,
I-30, I-35, I-35E,
I-35W, I-37, I-40, I-44,
I-45, I-69
-
I-110, I-410, I-610,
I-820, I-635, I-345, I-69C, I-69E, I-69W, I-169, I-369
- Utah | 938.00 mi.
- Vermont | 320.22 mi.
- Virginia | 1,117.23 mi.
-
I-64, I-66, I-73,
I-77, I-81, I-85,
I-95
-
I-264, I-464, I-564,
I-664, I-381, I-581,
I-785, I-195, I-295,
I-395, I-495, I-895
- Washington | 763.67 mi.
- West Virginia | 549.05 mi.
- Wisconsin | 741.80 mi.
- Wyoming | 913.60 mi.
Page Updated February 1, 2018. |