Shortest state segments of three-digit Interstate Highways

I-129 in Nebraska and a tiny bit of Iowa – Source: maps.google.com

As a follow-up to the previous post on the shortest state segments of one and two-digit Interstate Highways, here is a list of the shortest state segments of three-digit Interstate Highways.

RANKINGS (Based on current mileage as of 2/19/21)

Maximum 10 miles in length

Interstate 495 – Washington Area – DC portion only (co-signed with I-95) = 0.11 miles

2. Interstate 129 – Sioux City Area – Iowa portion only = 0.27 miles (see photo above)

3. Interstate 878 – New York City, New York = 0.70 miles – not signed/**shortest full Interstate in the entire system**

4. Interstate 480 – Omaha Area – Iowa portion only = 0.72 miles

5. Interstate 471 – Cincinnati Area – Ohio portion only = 0.74 miles (see map at the end of the post)

6. Interstate 295 – Washington Area – Maryland portion only = 0.80 miles

7. tie – Interstate 670 – Kansas City Area – Kansas portion only & Interstate 315 – Great Falls, Montana (not signed) = 0.83 miles

9. Interstate 110 – El Paso, Texas = 0.89 miles

10. Interstate 375 – Detroit, Michigan = 1.06 miles – schedule to be replaced by a boulevard

11. Interstate 180 – Cheyenne, Wyoming = 1.09 miles – **only Interstate in the Lower 48 not built to Interstate standards**

12. Interstate 115 – Butte, Montana = 1.19 miles

13. Interstate 194 – Bismarck, North Dakota = 1.20 miles

14. tie – Interstate 535 – Duluth Area – Wisconsin portion only & Interstate 587 – Kingston, New York = 1.21 miles

16. Interstate 375 – St. Petersburg, Florida = 1.22 miles

17. tie – Interstate 175 – St. Petersburg, Florida & Interstate 395 – Miami, Florida = 1.29 miles

19. Interstate 395 – Baltimore, Maryland = 1.33 miles

20. Interstate 695 – Washington, DC = 1.39 miles

21. tie – Interstate 684 – New York City Area – Connecticut portion only & Interstate 345 – Dallas, Texas = 1.40 miles – may be converted to a boulevard

23. Interstate 189 – Burlington, Vermont = 1.49 miles

24. Interstate 705 – Tacoma, Washington = 1.50 miles

25. tie – Interstate 535 – Duluth Area – Minnesota portion only & Interstate 579 – Pittsburgh, Pennsylvania = 1.57 miles

26. Interstate 380 – San Francisco, California = 1.67 miles

27. Interstate 190 – Rapid City, South Dakota = 1.72 miles

28. Interstate 695 – New York City, New York = 1.77 miles

29. Interstate 124 – Chattanooga, Tennessee = 1.97 miles – not signed

30. Interstate 278 – New York Area – New Jersey portion only = 2.00 miles – **never connects to I-78**

31. Interstate 980 – Oakland, California = 2.03 miles – planned to be converted to a boulevard

32. Interstate 670 – Kansas City Area – Missouri portion only = 2.10 miles

33. Interstate 238 – Oakland, California = 2.13 miles – **only three-digit Interstate without a two-digit parent Interstate**

34. Interstate 478 – New York City, New York = 2.14 miles

35. Interstate 676 – Philadelphia Area – Pennsylvania portion only = 2.15 miles

36. Interstate 222 – Birmingham, Alabama = 2.26 – proposed to connect I-22 to planned I-422

37. tie – Interstate 195 – Saco/Biddeford, Maine & Interstate 790 – Utica, New York = 2.41 miles

39. Interstate 490 – Cleveland, Ohio = 2.43 miles

40. Interstate 444 – Tulsa, Oklahoma = 2.51 miles

41. Interstate 370 – Washington Area (Gaithersburg, Maryland) = 2.54 miles

42. Interstate 359 – Tuscaloosa, Alabama = 2.76 miles

43. Interstate 283 – Harrisburg, Pennsylvania = 2.907 miles

44. Interstate 381 – Bristol, Virginia = 2.910 miles

45. Interstate 275 – Knoxville, Tennessee = 2.98 miles

46. Interstate 564 – Norfolk, Virginia = 3.03 miles

47. Interstate 510 – New Orleans, Louisiana = 3.04 miles

48. Interstate 190 – Chicago, Illinois = 3.07 miles

49. Interstate 275 – Cincinnati Area – Indiana portion only = 3.16 miles

50. Interstate 129 – Sioux City Area – Nebraska portion only = 3.21 miles (see photo at the top of the post)

51. Interstate 194 – Battle Creek, Michigan = 3.37 miles

52. Interstate 395 – Washington Area – DC portion only = 3.40 miles

53. Interstate 296 – Grand Rapids, Michigan = 3.43 miles – not signed

54. Interstate 180 – Lincoln, Nebraska = 3.47 miles

55. Interstate 105 – Eugene Oregon = 3.49 miles

56. 3 way tie – Interstate 794 – Milwaukee, Wisconsin; Interstate 195 – Richmond, Virginia; & Interstate 585 – Spartanburg, South Carolina = 3.50 miles

59. Interstate 635 – Kansas City Area – Missouri portion only = 3.60 miles

6o. Interstate 184 – Boise, Idaho = 3.62 miles

61. Interstate 126 – Columbia, South Carolina = 3.68 miles

62. Interstate 470 – Wheeling Area – West Virginia portion only = 3.94 miles

63. Interstate 295 – Providence Area – Massachusetts portion only = 4.03 miles

64. tie – Interstate 110 – Biloxi, Mississippi & Interstate H-201 – Honolulu, Hawaii = 4.10 miles

66. Interstate 277 – Akron, Ohi0 = 4.14 miles

67. Interstate 369 – Texarkana, Texas = 4.21 miles – proposed to be extended to Marshall, TX

68. Interstate 405 – Portland, Oregon = 4.25 miles

69. Interstate 195 – Providence Area – Rhode Island portion only = 4.30 miles

70. Interstate 195 – Baltimore, Maryland = 4.35 miles

71. Interstate 495 – Portland, Maine (unsigned) = 4.39 miles

72. Interstate 277 – Charlotte, North Carolina = 4.41 miles

73. Interstate 195 – Miami, Florida = 4.42 miles

74. Interstate 759 – Gadsden, Alabama = 4.54 miles

75. Interstate 393 – Concord, New Hampshire = 4.59 miles

76. Interstate 395 – Bangor, Maine = 4.99 miles

77. Interstate 865 – Indianapolis, Indiana = 4.72 miles

78. Interstate 676 – Philadelphia Area – New Jersey portion only = 4.75 miles

79. Interstate 391 – Springfield, Massachusetts = 4.86 miles

80. Interstate 781 – Watertown, New York = 4.90 miles

81. Interstate 610 – New Orleans, Louisiana = 4.92 miles

82.Interstate 480 – Omaha Area –Nebraska portion only = 4.95 miles

83. Interstate 471 – Cincinnati Area – Kentucky portion only = 5.02 miles

84. tie – Interstate 590 – Rochester, New York & Interstate 165 – Mobile, Alabama = 5.07 miles

86. Interstate 235 – Oklahoma City, Oklahoma = 5.36 miles

87. Interstate 291 – Springfield, Massachusetts = 5.44 miles

88. Interstate 464 – Norfolk, Virginia = 5.67 miles

89. Interstate 295 – Philadelphia Area – Delaware portion only = 5.71 miles

90. tie – Interstate 305 – Sacramento, California ( not signed) & Interstate 310 – Gulfport, Mississippi (planned) = 6.00 miles

92. Interstate 110 – Pensacola, Florida = 6.34 miles

93. Interstate 581 – Roanoke, Virginia = 6.35 miles

94. Interstate 291 – Hartford, Connecticut = 6.40 miles

95. Interstate 990 – Buffalo, New York = 6.43 miles

96. Interstate 516 – Savannah, Georgia = 6.49 miles

97. Interstage 470 – Wheeling Area – Ohio portion only = 6.69 miles

98. Interstate 780 – Vallejo, California = 6.76 miles

99. Interstate 785 – Greensboro, North Carolina = 7.10 miles – to be extended to Danville, VA

100. Interstate 270 – Denver, Colorado = 7.11 miles

101. Interstate 295 – Washington Area – DC portion only = 7.25 miles

102. tie – Interstate 630 – Little Rock, Arkansas & Interstate 795 – Jacksonville, Florida (under construction) = 7.40 miles

104. Interstate 440 – Nashville, Tennessee= 7.64 miles

105. Interstate 675 – Saginaw. Michigan = 7.73 miles

106. Interstate 520 – Augusta, Georgia Area – South Carolina portion only = 7.99 miles

107. Interstate 384 – Hartford, Connecticut = 8.53 miles

108. Interstate 905 – San Diego, California = 8.89 miles – schedule to be designated an Interstate

109. Interstate 691 – Hartford, Connecticut = 8.92 miles

110. Interstate 795 – Baltimore, Maryland = 8.99 miles

111. Interstate 110 – Baton Rouge, Louisiana = 9.06 miles

112. Interstate 635 – Kansas City Area – Kansas portion only = 9.10 miles

113. Interstate 240 – Asheville, North Carolina = 9.14 miles

114. Interstate 890 – Schenectady, New York = 9.45 miles

115. Interstate 787 – Albany, New York = 9.55 miles

116. Interstate 280 – Quad Cities Area – Iowa portion only = 9.58 miles

117. tie – Interstate 394 – Minneapolis, Minnesota & Interstate 169 – Brownsville, Texas = 9.74 miles

119. Interstate 295 – New York City, New York = 9.79 miles

120. Interstate 894 – Milwaukee, Wisconsin = 9.92 miles – co-signed with Interstate 41 and partially so with Interstate 43

I-471 in Ohio – Source: maps.google.com

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