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List of longest state highways in the United States

From Wikipedia, the free encyclopedia

In the United States, each state maintains its own system of state highways.[a] This is a list of the longest state highways in each state. As of 2007, the longest state highway in the nation is Montana Highway 200, which is 706.624 miles (1,137.201 km) long. The shortest of the longest state highways is District of Columbia Route 295, which is 4.29 miles (6.90 km) long.

List of highways

More information State, Highway ...
Longest state highways by state
State Highway mi km References
Alabama State Route 3 386.449621.929 [1]
Alaska Route 1 545.92878.57 [2]
Arizona State Route 87 272.66438.80 [3]
Arkansas Highway 7 296.01476.38 [4]
California State Route 1 655.841,055.47 [5]
Colorado State Highway 14 236.92381.29 [6]
Connecticut Route 15 83.53134.43 [7]
Delaware Route 1 103.02165.79 [8]
District of Columbia Route 295 4.296.90 [9][b]
Florida State Road A1A 338.752545.168 [10][failed verification][c]
Georgia State Route 11 374602 [11]
Hawaii Route 11 122.3196.8 [12]
Idaho State Highway 75 170.666274.660 [13]
Illinois Route 1[disputed – discuss] 336541 [14]
Indiana State Road 37 229.4369.2 [15]
Iowa Highway 3 326.163524.908 [16]
Kansas K-4 367591 [17]
Kentucky Route 80 464.936748.242 [18]
Louisiana LA 1 431.587694.572 [19]
Maine State Route 11 401.2645.7 [20]
Maryland Route 2 79.24127.52 [21]
Massachusetts Route 28 151.93244.51 [22]
Michigan M-28 290.373467.310 [23]
Minnesota State Highway 1 345.954556.759 [24]
Mississippi Highway 15 344.305554.105 [25]
Missouri Route 5 355571 [citation needed]
Montana Highway 200 706.6241,137.201 [26]
Nebraska Highway 92 489.08787.10 [27]
Nevada State Route 318 110.775178.275 [28]
New Hampshire Route 16 149.75241.00 [29]
New Jersey Route 47 75.19121.01 [30][d]
New Mexico State Road 120 119.9193.0 [31]
New York State Route 17 396.84638.65 [32]
North Carolina Highway 24 284457 [citation needed]
North Dakota Highway 200 420680 [citation needed]
Ohio State Route 7 335.98540.71 [33]
Oklahoma State Highway 3 615.0989.7 [34][e]
Oregon Route 140[disputed – discuss] 237.01381.43 [35]
Pennsylvania Route 18 205330 [36]
Rhode Island Route 138 48.377.7 [37]
South Carolina Highway 9 257414 [38]
South Dakota Highway 34 419.01674.33 [citation needed]
Tennessee State Route 1 538.8867.1 [citation needed]
Texas State Highway 16 541.8871.9 [39]
Utah State Route 24 160.243257.886 [40]
Vermont Route 100 216.55348.50 [41]
Virginia State Route 40 227.68366.42 [42]
Washington State Route 20 436.13701.88 [43]
West Virginia Route 20 262.1421.8 [44]
Wisconsin Highway 35 412.15663.29 [45]
Wyoming Highway 789 407.10655.16 [46]
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Notes

  1. Some states internally number the Interstate Highways and U.S. Highways within their state as state highways; these are not counted in the list.
  2. DC-295 is the only non-national route in the district.
  3. The multiple segments of FL A1A consist Florida's longest signed state highway, but FL 5 (the almost entirely unsigned designation for the US 1) is longer at 536.724 miles (863.774 km)
  4. Route 47 is New Jersey's longest signed state highway, but Route 444 (the unsigned designation for the Garden State Parkway) is longer at 172.4 miles (277.5 km)
  5. OK-3's length was computed using OK-3E, the older (and longer) of its two forks.

See also

References

External links

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