number
|
Beginning
|
The End
|
Length mi
|
Length km
|
Feeders and bypasses
|
I-2
|
Palmview
|
Harlingen
|
47
|
75
|
|
I-4
|
Tampa
|
Daytona Beach
|
132
|
212
|
|
I-5
|
San Ysidro
|
Blaine
|
1381
|
2222
|
I-105 ( CA , OR ), I-205 ( CA , OR / WA ), I-405 ( CA , OR , WA ), I-505 , I-605 ( CA , WA ), I-705 , I- 805
|
I-8
|
San Diego
|
Casa Grande
|
350
|
564
|
|
I-10
|
Santa Monica
|
Jacksonville
|
2460
|
3960
|
I-110 ( FL , CA , LA , MS , TX ), I-210 ( CA , LA ), I-310 , I-410 , I-510 , I-610 ( LA , TX ), I-710 , I -910
|
I-12
|
Baton Rouge
|
Slidell
|
85
|
137
|
|
I-15
|
San Diego
|
Sweetgrass
|
1433
|
2307
|
I-115 , I-215 ( CA , NV , UT ), I-315 , I-515
|
I-16
|
Macon
|
Savannah
|
166
|
268
|
I-516
|
I-17
|
Phoenix
|
Flagstaff
|
146
|
235
|
|
I-19
|
Nogales
|
Tucson
|
63
|
102
|
|
I-20
|
Kent
|
Florence
|
1535
|
2470
|
I-220 ( MS , LA ), I-520 , I-820
|
I-22
|
Memphis
|
Birmingham
|
176
|
283
|
|
I-24
|
Pulleys Mill
|
Chattanooga
|
316
|
509
|
|
I-25
|
Las Cruces
|
Buffalo
|
1063
|
1711
|
I-225
|
I-26
|
Morrison City
|
Charleston
|
347
|
558
|
I-126 , I-526
|
I-27
|
Lubbock
|
Amarillo
|
124
|
200
|
|
I-29
|
Kansas City
|
Pembina
|
755
|
1215
|
I-129 , I-229 ( SD , MO )
|
I-30
|
Fort Worth
|
Little rock
|
366
|
590
|
I-130 , I-430 , I-530 , I-630
|
I-35
|
Laredo
|
Duluth
|
1565
|
2518
|
I-35W , I-35E , I-135 , I-235 ( OK , IA , KS ), I-335 , I-435 , I-535 , I-635 ( KS / MO , TX )
|
I-37
|
Corpus Christi
|
San Antonio
|
143
|
230
|
|
I-39
|
normal
|
Wausau
|
323
|
520
|
|
I-40
|
Barstow
|
Wilmington
|
2554
|
4110
|
I-140 ( NC , TN ), I-240 ( NC , OK , TN ), I-440 ( AR , NC , OK , TN ), I-540 ( AK , NC ), I-640 , I-840 ( NC , TN )
|
I-43
|
Beloit
|
Green Bay
|
191
|
308
|
|
I-44
|
Wichita Falls
|
St. Louis
|
634
|
1021
|
I-244
|
I-45
|
Galveston
|
Dallas
|
285
|
459
|
|
I-49
|
Lafayette
|
Shreveport
|
208
|
335
|
|
I-55
|
LaPlace
|
Chicago
|
963
|
1561
|
I-155 ( IL , MO / TN ), I-255 , I-355 , I-555
|
I-57
|
Sikeston
|
Chicago
|
381
|
613
|
|
I-59
|
Slidell
|
Lookout Mountain
|
444
|
715
|
I-359 , I-459 , I-759
|
I-64
|
Weldon Spring
|
Portsmouth
|
960
|
1547
|
I-164 , I-264 ( KY , VA ), I-464 , I-564 , I-646
|
I-65
|
mobile
|
Gary
|
887
|
1426
|
I-165 , I-265 , I-465 , I-565 , I-865
|
I-66
|
Middletown
|
Washington
|
76
|
122
|
|
I-68
|
Morgantown
|
Hancock
|
116
|
187
|
|
I-69
|
Indianapolis
|
Port Huron
|
355
|
572
|
I-469
|
I-70
|
Cove Fort
|
Baltimore
|
2173
|
3520
|
I-170 ( MD , MO ), I-270 ( CO , IL / MO , MD , OH ), I-370 , I-470 ( KS , MO , OH / WV ), I-670 ( KS / MO , OH )
|
I-71
|
Louisville
|
Cleveland
|
345
|
556
|
I-271 , I-471
|
I-72
|
Hannibal
|
Champaign
|
186
|
301
|
I-172
|
I-73
|
Candor
|
Greensboro
|
26th
|
42
|
|
I-74
|
Davenport
|
Candor
|
428
|
690
|
I-474
|
I-75
|
Sault St. Marie
|
Miami
|
1786
|
2874
|
I-175 , I-275 ( FL , MI , OH-IN-KY , TN ), I-375 ( FL , MI ), I-475 ( GA , MI , OH ), I-575 , I-675 ( GA , MI , OH )
|
I-76W
|
Arvada
|
Big Springs
|
185
|
298
|
|
I-76E
|
Westfield Center
|
Camden
|
434
|
699
|
I-176 , I-276 , I-376 , I-476 , I-767
|
I-77
|
Columbia
|
Cleveland
|
611
|
984
|
I-277 ( NC , OH )
|
I-78
|
Lickdale
|
New York City
|
143
|
231
|
I-278 , I-678
|
I-79
|
Charleston
|
Erie
|
343
|
552
|
I-279 , I-579
|
I-80
|
San Francisco
|
Ridgefield Park
|
2899
|
4666
|
I-180 ( WY , NE , IL , PA ), I-280 ( CA , IL-IA , OH , NJ ), I-380 ( CA , IA , PA ), I-480 ( IA-NE , OH ), I-580 ( CA , NV , NE ), I-680 ( CA , IA-NE , OH ), I-780 , I-880 , I-980
|
I-81
|
Dandridge
|
Alexandria Bay
|
846
|
1361
|
I-381 , I-481 , I-581
|
I-82
|
Ellensburg
|
Hermiston
|
143
|
231
|
I-182
|
I-83
|
Baltimore
|
Colonial Park
|
88
|
142
|
I-283
|
I-84W
|
Portland
|
echo
|
770
|
1239
|
I-184
|
I-84E
|
Scranton
|
Sturbridge
|
231
|
372
|
I-384 , I-684
|
I-85
|
Montgomery
|
Petersburg
|
668
|
1075
|
I-185 ( GA , SC ), I-285 ( GA , NC ), I-385 , I-485 , I-585 , I-985
|
I-86W
|
Heyburn
|
Pocatello
|
63
|
101
|
|
I-86E
|
Erie
|
Elmira
|
191
|
308
|
|
I-87
|
New York City
|
Champlain Town
|
333
|
536
|
I-287 , I-587 , I-787
|
I-88W
|
Moline
|
Chicago
|
140
|
226
|
|
I-88E
|
Binghamton
|
Schenectady
|
117
|
189
|
|
I-89
|
Concord
|
Highgate Springs
|
191
|
307
|
I-189
|
I-90
|
Seattle
|
Boston
|
3099
|
4958
|
I-190 ( IL , MA , NY , SD ), I-290 ( IL , MA , NY ), I-390 , I-490 ( OH , NY ), I-590 , I-690 , I-790 , I. -890 , I-990
|
I-91
|
New Haven
|
Derby Line
|
290
|
467
|
I-291 ( MA , CT ), I-391 , I-691
|
I-93
|
Canton
|
St. Johnsbury
|
188
|
303
|
I-293 , I-393
|
I-94
|
Billings
|
Port Huron
|
1604
|
2581
|
I-194 ( MI , ND ), I-294 , I-394 , I-494 , I-649 , I-794 , I-894
|
I-95
|
Miami
|
Houlton
|
1927
|
3101
|
I 195 ( FL , ME , MD , NJ , RI / MA , VA ), I 295 ( FL , NC , VA , DC , DE / NJ , NY , RI / MA , ME ), I 395 ( CT / MA , FL , VA , ME , MD , DC ), I 495 ( DC , DE , NY , MA , ME ), I 595 ( FL , MD ), I 695 ( DC , MD , NY ), I 795 ( FL , NC , MD ), I 895 ( MD , NY )
|
I-96
|
Muskegon
|
Detroit
|
192
|
309
|
I-196 , I-496 , I-696
|
I-97
|
Annapolis
|
Baltimore
|
17th
|
28
|
|
I-99
|
Bedford
|
Bellefonte
|
51
|
82
|
|
I-238
|
Hayward
|
San Lorenzo
|
2
|
3
|
|
H-1
|
Makakilo
|
Honolulu
|
27
|
43
|
H-201
|
H-2
|
Pearl City
|
Wahiawa
|
8th
|
13
|
|
H-3
|
Halawa Heights
|
Marine Corps Base Hawaii
|
15th
|
24
|
|
A-1
|
Anchorage
|
Canadian border
|
408
|
656
|
|
A-2
|
Tok
|
Fairbanks
|
202
|
325
|
|
A-3
|
Anchorage
|
Soldotna
|
148
|
238
|
|
A-4
|
Palmer
|
Fairbanks
|
323
|
520
|
|
PR-1
|
Ponce
|
San Juan
|
71
|
114
|
|
PR-2
|
Ponce
|
San Juan
|
138
|
222
|
|
PR-3
|
Ceiba
|
San Juan
|
40
|
65
|
|