List of longest state highways in the United States

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In the United States, each state maintains its own system of state highways. 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.

Longest state highways by state
State Highway Miles km References
Alabama Alabama 3.svg State Route 3 386.449 621.929 [1]
Alaska Alaska 1 shield.svg Route 1 545.92 878.57 [2]
Arizona Arizona 87.svg State Route 87 272.66 438.80 [3]
Arkansas Arkansas 7.svg Highway 7 296.01 476.38 [4]
California California 1.svg State Route 1 655.84 1,055.47 [5]
Colorado Colorado 14.svg State Highway 14 236.92 381.29 [6]
Connecticut Connecticut Highway 15.svg Route 15 83.53 134.43 [7]
Delaware Elongated circle 1.svg Route 1 103.02 165.79 [8]
D.C. DC-295.svg Route 295 4.29 6.90 [9][a]
Florida Florida 5.svg State Road 5 536.724 863.774 [10]
Georgia Georgia 11.svg State Route 11 374 602 [11]
Hawaii HI-11.svg Route 11 122.3 196.8 [12]
Idaho ID-75.svg State Highway 75 170.666 274.660 [13]
Illinois Illinois 1.svg Route 1 336 541 [14]
Indiana Indiana 37.svg State Road 37 229.4 369.2 [15][16]
Iowa Iowa 3.svg Highway 3 328 528 [17]
Kansas K-4.svg K-4 367 591 [citation needed]
Kentucky Elongated circle 80.svg Route 80 464.936 748.242 [18]
Louisiana Louisiana 1.svg Highway 1 436.20 702.00 [19]
Maine MA Route 11.svg State Route 11 401.2 645.7 [20]
Maryland MD Route 2.svg Route 2 79.24 127.52 [21]
Massachusetts MA Route 28.svg Route 28 151.93 244.51 [22]
Michigan M-28.svg M-28 290.373 467.310 [23]
Minnesota MN-1.svg State Highway 1 345.954 556.759 [24]
Mississippi Ellipse sign 15.svg Highway 15 328 528 [25]
Missouri MO-5.svg Route 5 355 571 [citation needed]
Montana MT-200.svg Highway 200 706.624 1,137.201 [26]
Nebraska N-92.svg Highway 92 489.08 787.10 [27]
Nevada Nevada 318.svg State Route 318 110.775 178.275 [28]
New Hampshire NH Route 16.svg Route 16 149.75 241.00 [29]
New Jersey Circle sign 47.svg Route 47 75.19 121.01 [30][b]
New Mexico New Mexico 120.svg State Road 120 119.9 193.0 [31]
New York NY-17.svg State Route 17 396.84 638.65 [32]
North Carolina NC 24.svg Highway 24 284 457 [33]
North Dakota North Dakota 200.svg Highway 200 420 680 [34]
Ohio OH-7.svg State Route 7 292.20 470.25 [35]
Oklahoma Oklahoma State Highway 3.svg State Highway 3 615.0 989.7 [36][c]
Oregon OR 140.svg Route 140 237.01 381.43 [37]
Pennsylvania PA-18.svg Route 18 205 330 [38]
Rhode Island Rhode Island 114.svg Route 114 45.70 73.55 [39]
South Carolina South Carolina 9.svg Highway 9 257 414 [40]
South Dakota SD 20.svg Highway 20 432 695 [41][42]
Tennessee Tennessee 1.svg State Route 1 538.8 867.1 [citation needed]
Texas Texas 16.svg State Highway 16 541.8 871.9 [43]
Utah Utah SR 24.svg State Route 24 160.243 257.886 [44]
Vermont Vermont 100.svg Route 100 216.55 348.50 [45]
Virginia Virginia 40.svg State Route 40 227.68 366.42 [46]
Washington WA-20.svg State Route 20 436.13 701.88 [47]
West Virginia WV-20.svg Route 20 262.1 421.8 [48]
Wisconsin WIS 35.svg Highway 35 412.15 663.29 [49]
Wyoming WY-789.svg Highway 789 404 650 [50]

Notes[edit]

  1. ^ DC-295 is the only non-national route in the district.
  2. ^ NJ 47 is New Jersey's longest signed state highway, but NJ 444 (the unsigned designation for the Garden State Parkway) is longer at 172.4 miles (277.5 km)
  3. ^ OK-3's length was computed using OK-3E, the older (and longer) of its two forks.

See also[edit]

References[edit]

  1. ^ Alabama Department of Transportation, County Milepost Maps[dead link], accessed September 2007
  2. ^ Alaska Department of Transportation and Public Facilities, Central Region General Log[dead link], April 25, 2006 (Routes 110000 (Sterling Highway), 130000 (Seward Highway), 134150 (Ingra Street), 134600 (6th Avenue), 134440 (5th Avenue), and 135000 (Glenn Highway))
    Alaska Department of Transportation and Public Facilities, Northern Region General Log[dead link], April 25, 2006 (Routes 135000 (Glenn Highway), 190000 (Richardson Highway), and 230000 (Tok Cut-Off Highway))
  3. ^ "2006 State Highway System Log". ADOT. Archived from the original on 2008-06-25. Retrieved 2008-09-06. 
  4. ^ Planning and Research Division (2010). "Arkansas Road Log Database" (Database). Arkansas State Highway and Transportation Department. Retrieved June 9, 2011. 
  5. ^ "Truck Network Map". Dot.ca.gov. Retrieved 2014-03-01. 
  6. ^ "Segment list for SH 14". Retrieved 2007-05-12. [dead link]
  7. ^ "Connecticut State Numbered Routes and Roads". Retrieved 2007-10-30. 
  8. ^ http://www.deldot.gov/information/pubs_forms/manuals/traffic_counts/2006/pdf/rpt_pgs1_38_rev.pdf DelDOT 2006 Traffic Count and Mileage Report
  9. ^ "National Highway Planning Network GIS data". FHWA. version 2005.08. Retrieved 2007-07-09. 
  10. ^ FDOT straight line diagrams, accessed March 2014
  11. ^ Georgia DOT - 400 reports[dead link]
  12. ^ Oscar Voss. "Hawaii Highways - Big Island route list". Retrieved 2007-10-22. 
  13. ^ Idaho Transportation Department, Idaho milepoint log
  14. ^ Rand McNally. "The Road Atlas '04: United States, Canada and Mexico". Skokie: Rand McNally and Company. 2004.
  15. ^ Google Inc. Length of Indiana Route 37: Southern Segment (Map). Cartography by Tele Atlas. https://maps.google.com/maps?saddr=Payne+St&daddr=38.3269759,-86.5873069+to:38.4267748,-86.4553455+to:39.4379551,-86.3876119+to:40.1389163,-85.8924103+to:IN-37%2FS+Strawtown+Pike&hl=en&ll=39.296048,-85.962524&spn=2.631257,5.410767&sll=37.963198,-86.76591&sspn=0.005236,0.010568&geocode=FVxEQwIdRhTU-g%3BFb_SSAIdVsjW-ik9xTIji5VuiDGA2TV-1dzEoA%3BFZZYSgIdz8vY-inNJ03V1rpuiDHkKG3AiPTrNg%3BFYPGWQIdZdTZ-ildrgcc0JpsiDF2njHRRRnTIg%3BFaR4ZAIdxmLh-imzwzvFI8cUiDFWQmppAW5RmQ%3BFVAoagIdu7rk-g&t=h&mra=dme&mrsp=0&sz=17&via=1,2,3,4&z=8. Retrieved 2009-08-12.
  16. ^ Google Inc. Length of Indiana Route 37: Northern Segment (Map). Cartography by Tele Atlas. https://maps.google.com/maps?saddr=Maysville+Rd&daddr=IN-37+N&hl=en&ll=41.202423,-84.900284&spn=0.159895,0.338173&sll=41.132971,-85.007309&sspn=0.003537,0.005284&geocode=FcOhcwIdquDu-g%3BFeK-dQIdEgDy-g&t=h&mra=dme&mrsp=0&sz=18&z=12. Retrieved 2009-08-12.
  17. ^ "Table of active state highways". Iowahighways.org. Retrieved 2014-03-01. 
  18. ^ "Kentucky Transportation Cabinet - Division of Planning - Highway Information System Official Milepoint Route Log Extract". Retrieved 2007-04-07. 
  19. ^ "Louisiana State Highway Log". Southeastroads.com. Retrieved 2014-03-01. 
  20. ^ "Floodgap Roadgap's RoadsAroundME: Maine State Route 11". Retrieved 2009-07-21. 
  21. ^ Maryland State Highway Administration, Highway Location Reference[dead link], 2005
  22. ^ Executive Office of Transportation, Massachusetts Office of Transportation Planning - 2005 Road Inventory
  23. ^ "MDOT Physical Reference Finder Application". Michigan Department of Transportation. 2009. Retrieved April 13, 2010. 
  24. ^ Minnesota Department of Transportation, Trunk Highway Log Point files, updated July 2006
  25. ^ Mississippi Route index: MS 15
  26. ^ Montana Department of Transportation. Official 2007-2008 Montana Highway Travel Map (Map). http://www.mdt.mt.gov/travinfo/docs/2007_2008_mt_highway_map.pdf. Retrieved 2007-09-09.[dead link]
  27. ^ Nebraska Department of Roads. "Nebraska Highway Reference Log Book". Retrieved 2009-02-25. 
  28. ^ "Nevada State Maintained Highways, Descriptions, Index and Maps". Nevadadot.com. Retrieved 2014-03-01. 
  29. ^ New Hampshire DOT Route Logs[dead link] (Free registration required)
  30. ^ New Jersey Department of Transportation. "Route 47 straight line diagram". Retrieved 2007-04-09. 
  31. ^ New Mexico Department of Transportation. "New Mexico Department of Transportation State Route Log". Retrieved 2008-10-25. [dead link]
  32. ^ "2007 Traffic Data Report for New York State" (PDF). New York State Department of Transportation. July 25, 2008. Retrieved July 17, 2009. 
  33. ^ NCRoads.com: N.C. 24[dead link]
  34. ^ Mileage retrieved from North Dakota Highways 101+ unless otherwise noted.
  35. ^ "RI82B: Centerline Miles, Lane Miles, and VMT by Route and County". Transportation System Development, Ohio Department of Transportation, 2008-05-13. Retrieved 2009-08-04.
  36. ^ Google Inc. "SH-3—Colorado to Seiling". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=US-385+S&daddr=Unknown+road+to:Unknown+road+to:OK-3+E%2FUS-412+E%2FUS-56+E%2FUS-64+E+to:OK-3+E%2FUS-412+E%2FUS-64+E+to:OK-3+E%2FUS-412+E%2FUS-64+E+to:OK-3+E%2FUS-412+E%2FUS-64+E%2FRd+Q+to:OK-3+E%2FOK-95+S%2FUS-412+E%2FUS-64+E+to:OK-3+E%2FUS-412+E%2FUS-64+E+to:N+Main+St+to:S+Main+St+to:US-412+Truck+E+to:OK-136+S%2FOK-3+E%2FUS-412+E+to:OK-3+E%2FUS-412+E+to:OK-3+E%2FUS-412+E+to:OK-3%2FUS-412+to:OK-3+E%2FUS-270+E%2FUS-412+E+to:Race+St+to:US-270+E%2FUS-412+E+to:OK-3+E%2FUS-183+S%2FUS-270+E%2FUS-412+E+to:Oklahoma+Ave+to:US-270+E+to:US-270+E+to:US-270+E+to:US-270+E&hl=en&ll=36.6552,-100.755615&spn=2.203365,3.812256&sll=36.677818,-101.474576&sspn=0.002151,0.003723&geocode=FTV_NAId0pjj-Q%3BFeOnMAId5cfj-Q%3BFdh0MAId8sXj-Q%3BFcdkMAIdPjnk-Q%3BFVzyMAIdCLjl-Q%3BFYj0MAId6tPn-Q%3BFWLyMAIdpAbt-Q%3BFRbzMAIdVWbu-Q%3BFerEMAIdtE_z-Q%3BFWfWLwIdnoPz-Q%3BFaSnLwId0IPz-Q%3BFb6oLwIdup7z-Q%3BFcimLwId3J_z-Q%3BFYQ2LwId_ID3-Q%3BFWy4LgIdKnr9-Q%3BFTC4LgIdEiQC-g%3BFVDPLgIdbsgL-g%3BFeqyLgIdM_4N-g%3BFXQeLgId4GwQ-g%3BFYTuKwId-NcS-g%3BFcDuKwIdeGsT-g%3BFSlFKwIdlv4T-g%3BFX8TKgIdmNwV-g%3BFc7nJwIdkg0a-g%3BFUmmJwIdX4ca-g&mra=dme&mrsp=11&sz=19&t=m&z=9. Retrieved 2014-04-27.
    Google Inc. "SH-3—Seiling to Southwest Oklahoma City". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=US-270+E&daddr=S+Main+St+to:US-270+E+to:US-270+E+to:C+St+to:W+Broadway+Ave+to:OK-3+E+to:Unknown+road+to:Northwest+Expy+to:Northwest+Expy+to:OK-3+E%2FOK-74+S+to:OK-3+E+to:OK-3+E+to:I-44+to:I-44+to:I-44+to:I-44+to:I-44+to:I-44+to:I-44+to:I-44+to:I-44&hl=en&ll=35.718643,-98.131256&spn=1.114958,1.906128&sll=35.398041,-97.56928&sspn=0.017491,0.029783&geocode=FUmmJwIdX4ca-g%3BFWqFJwIdGIga-g%3BFSwzJgIdMiQc-g%3BFRXlIgIdfKMf-g%3BFezkIgIduD0i-g%3BFcgxIwIdjKop-g%3BFVCmIAIdYUMp-g%3BFYBIHwIdWYYs-g%3BFZLoHgIdZ2It-g%3BFWwuHgIdawsv-g%3BFY0GHgIdvxgv-g%3BFfXbHQIdxRkv-g%3BFRzCHQIdJBkv-g%3BFYKVHQIdBRAv-g%3BFZ9bHQIdkBAv-g%3BFesUHQIdGhwv-g%3BFTfrHAIdPjAv-g%3BFU-yHAId4DIv-g%3BFWGJHAIdqxcv-g%3BFVttHAIdaggv-g%3BFQREHAIdKRcv-g%3BFZ8gHAIdXRkv-g&mra=mi&mrsp=21&sz=16&t=m&z=10. Retrieved 2014-04-27.
    Google Inc. "SH-3—Overlap with I-240". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=I-240+E&daddr=I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E+to:I-240+E&hl=en&ll=35.38793,-97.455597&spn=0.279894,0.476532&sll=35.402331,-97.286092&sspn=0.002186,0.003723&geocode=FeAfHAIdCRov-g%3BFWIRHAIdhUQv-g%3BFVMHHAIdtokv-g%3BFWgHHAIdDs8v-g%3BFVsHHAIdtPEv-g%3BFZ0JHAId_xMw-g%3BFbQJHAIdlSow-g%3BFeIIHAId4Fcw-g%3BFcQHHAIdgncw-g%3BFZIHHAIdnJ4w-g%3BFfUGHAIdgOMw-g%3BFe8GHAIdTiox-g%3BFXcFHAIdB28x-g%3BFTT9GwIdMrQx-g%3BFUP7GwIdXT0y-g%3BFYAfHAIdCQwz-g%3BFVovHAIdn4kz-g&t=m&mra=dme&mrsp=16&sz=19&z=12. Retrieved 2014-04-27.
    Google Inc. "SH-3—Overlap with I-40". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=I-240+E&daddr=I-40+E+to:I-40+E+to:I-40+E+to:I-40+E+to:I-40+E+to:I-40+E&hl=en&ll=35.39017,-97.14798&spn=0.287163,0.476532&sll=35.383137,-97.005109&sspn=0.004487,0.007446&geocode=FZIvHAIdAokz-g%3BFWcMHAIdKdsz-g%3BFSfsGwIdMqY0-g%3BFXfrGwIdH2s1-g%3BFULqGwIdUog2-g%3BFerPGwId_RE3-g%3BFVLlGwId0cw3-g&t=m&mra=dme&mrsp=6&sz=18&z=12. Retrieved 2014-05-13.
    Google Inc. "SH-3E". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=I-40+E&daddr=I-40+E+to:35.362156,-96.9298146+to:E+MacArthur+St+to:N+Harrison+St+to:OK-3E+E+to:OK-3E+E+to:OK-3E+E+to:W+Broadway+Ave+to:OK-3E+E+to:OK-3E+E+to:OK-3E+E+to:J+A+Richardson+Loop+to:OK-3E+E&hl=en&ll=35.108675,-96.642609&spn=1.152638,1.906128&sll=34.776165,-96.702046&sspn=0.004521,0.007446&geocode=FVjlGwId8sw3-g%3BFSTqGwIdtuU4-g%3BFWyVGwId6vc4-invbn6a_LezhzEfPZBYvUEh-w%3BFZeTGwIdWz05-g%3BFZkiGwIdIT05-g%3BFbIjGwId0dY6-g%3BFcshGwIdyy47-g%3BFcPRGQIdz3U8-g%3BFcJ7GQIdqOo8-g%3BFdDuGAIdkdo8-g%3BFahUGAIdWNs8-g%3BFeQqFQIdW7w8-g%3BFdPXEgIduZM8-g%3BFTmlEgId9288-g&mra=mi&mrsp=13&sz=18&via=2&t=m&z=10. Retrieved 2014-05-13.
    Google Inc. "SH-3—Ada to Idabel". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=OK-3E+E&daddr=OK-1+W%2FOK-3+E+to:OK-3+E+to:OK-3+E+to:OK-3+E+to:OK-3+E+to:OK-3+E%2FUS-377+S+to:OK-3+E+to:OK-3+E+to:OK-3+E+to:OK-3+E+to:W+Queen+Ave+to:N+Main+St+to:S+Broadway+St+to:W+Liberty+Rd+to:S+Mississippi+Ave+to:OK-3+E+to:OK-3+E+to:W+Main+St+to:E+Main+St+to:W+Main+St+to:OK-3+E+to:OK-3+E+to:W+Craig+Rd+to:US-259+S&hl=en&ll=34.40691,-95.4245&spn=2.324887,3.812256&sll=33.919147,-94.773635&sspn=0.004567,0.007446&geocode=FTqlEgId-G88-g%3BFeuIEgIdbmU8-g%3BFW1zEgIdWHI8-g%3BFbVUEgIdqKk8-g%3BFflGEgIdKe48-g%3BFS43EgId_yo9-g%3BFZ8PEgId8VA9-g%3BFbDkEQIdkXM9-g%3BFXWZEAIdYBI_-g%3BFVMfEAIdP65A-g%3BFc-RDwIdnBRD-g%3BFe8LDwIdq9RD-g%3BFc4HDwId09ND-g%3BFanzDgIdkNhD-g%3BFUTLDAIdgj1F-g%3BFUqEDAIdVBlF-g%3BFZNoCgIdCXZM-g%3BFRZjCgIdkKRM-g%3BFcRRCgId1eNM-g%3BFSNXCgIdzB9N-g%3BFULbCQIdZRxQ-g%3BFeXXCQIdDixR-g%3BFfdVCAIdHMhX-g%3BFYszBwIdgWNa-g%3BFZuRBQId6N9Z-g&mra=dme&mrsp=24&sz=18&t=m&z=9. Retrieved 2014-05-23.
    Google Inc. "SH-3—Idabel to Arkansas". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?saddr=US-259+S&daddr=NE+Lincoln+Rd+to:AR-32+E&hl=en&ll=33.830212,-94.6455&spn=0.29261,0.476532&sll=33.735928,-94.48272&sspn=0.002289,0.003723&geocode=FZiRBQId5t9Z-g%3BFUI0BQIduqBZ-g%3BFSHFAgId8kxe-g&mra=mi&mrsp=2&sz=19&t=m&z=12. Retrieved 2014-05-23.
  37. ^ Oregon Department of Transportation, Public Road Inventory (primarily the Digital Video Log), accessed March 2008
  38. ^ Calculated using DeLorme Street Atlas USA software
  39. ^ Google Inc. "Overview map of RI 114". Google Maps (Map). Cartography by Google, Inc. http://maps.google.com/maps?saddr=E+Main+Rd&daddr=41.607406,-71.2594069+to:41.623002,-71.2564652+to:41.80188,-71.36214+to:41.82454,-71.35426+to:41.8435159,-71.3510244+to:41.8785262,-71.3844778+to:41.883283,-71.3866952+to:41.900999,-71.38979+to:41.90535,-71.39003+to:41.925803,-71.3994933+to:41.98589,-71.41144+to:42.0135798,-71.515251+to:Harris+Ave&hl=en&ll=42.01426,-71.489067&spn=0.02283,0.038409&sll=42.012475,-71.513529&sspn=0.02283,0.038409&geocode=FbR_eQIdCArA-w%3BFe7gegId8qrA-ynn0K8OOavliTGz_uV_bx8Dpg%3BFdodewIdb7bA-yk1JdlmzFTkiTHMA30rr8Lprg%3BFZjYfQIdpBm_-ymFoynTvFrkiTE_937c2I1x5Q%3BFRwxfgIdbDi_-ykbCDk14VrkiTEcbLy7HsO_XQ%3BFTt7fgIdEEW_-ykdqQPcE1vkiTHWOjkBt0JJiA%3BFf4DfwIdY8K--ynhmXBsU0PkiTFOSBePMaPtpQ%3BFZMWfwIdubm--ykdvLKNTUPkiTHuYJK5c63eYA%3BFcdbfwIdoq2--ynbxcnqMUPkiTHXbbJr-dQwXg%3BFcZsfwIdsqy--ylz5O3yLkPkiTGcDxYXXvXRrg%3BFau8fwIdu4e--ylvIDFjxELkiTHbYfnMjImvTg%3BFWKngAIdEFm--yk1MbuKXGjkiTE65-knVfbwRw%3BFYsTgQIdjcO8-ylZpafErWvkiTFkwtX6qVYzZQ%3BFfAEgQIdoKK8-w&vpsrc=6&mra=dpe&mrsp=12&sz=15&via=1,2,3,4,5,6,7,8,9,10,11,12&t=m&z=15. Retrieved 2011-12-20.
  40. ^ Google Inc. Length of South Carolina Highway 9 (Map). Cartography by Tele Atlas. http://maps.google.com/maps?f=d&source=s_d&saddr=SC-9&daddr=Boiling+Springs+Rd%2FSC-9+to:N+Church+St%2FSC-9+to:34.863961,-81.727295+to:Pinckney+Rd%2FSC-9+to:East+Blvd%2FSC-9+to:Dillon+Hwy%2FSC-9+to:Hwy-9+E+Bus%2FSC-9+to:SC-9%2FSea+Mountain+Hwy&geocode=FbDzGAIdSAoc-w%3BFaJKFgIdrGMd-w%3BFXe6FQIdk6Ud-w%3B%3BFZpREgIdMP8l-w%3BFf6iEQIdQsM7-w%3BFZKbDAIdKgJH-w%3BFczuBgIddhhO-w%3BFeotBAId9v9P-w&hl=en&mra=dpe&mrcr=0&mrsp=3&sz=11&via=1,2,3,4,5,6,7&sll=34.83635,-81.670303&sspn=0.244033,0.703125&ie=UTF8&ll=33.846467,-78.669662&spn=0.246931,0.703125&z=11. Retrieved 2009-08-11.
  41. ^ Google Inc. Length of South Dakota Route 20: Western Segment (Map). Cartography by Tele Atlas. http://maps.google.com/maps?f=d&source=s_d&saddr=MT-20%2FSD-20&daddr=SD-20%2FSD+Hwy+20+to:SD-20%2FSD-63+to:SD-20+to:SD-20+to:SD-20%2FSD+Hwy+20+to:SD-20+to:44.890539,-97.130985&geocode=FdXgtgId5HPM-Q%3BFay9tgId-IHm-Q%3BFThqtQIdGO_5-Q%3BFaxnsgIdggoL-g%3BFUy5sQIdJmIP-g%3BFUoNsQIddrkc-g%3BFRoVsAIdHt0t-g%3B&hl=en&mra=dme&mrcr=0&mrsp=7&sz=13&via=1,2,3,4,5,6&sll=44.901727,-97.127209&sspn=0.052649,0.110378&ie=UTF8&ll=45.164611,-96.69342&spn=0.838507,1.766052&z=9. Retrieved 2009-08-11.
  42. ^ Google Inc. Length of South Dakota Route 20: Eastern Segment (Map). Cartography by Tele Atlas. http://maps.google.com/maps?f=d&source=s_d&saddr=157th+St%2FSD-20&daddr=45.1067834,-96.670085+to:SD-20%2FSD+Hwy+20&geocode=FatKsAIdFAM3-g%3BFV9GsAIde-48-ikFOLvJ35fMUjExs8JRRiwfEw%3BFWS-rgIdA0JA-g&hl=en&mra=dme&mrcr=0&mrsp=1&sz=12&sll=45.022583,-96.529999&sspn=0.105076,0.220757&ie=UTF8&ll=45.011419,-96.468201&spn=0.840759,1.766052&z=9&via=1. Retrieved 2009-08-11.
  43. ^ Texas Department of Transportation, State Highway, Loop and Spur Facts, accessed 2009-07-20
  44. ^ "HIghway Reference". Utah Department of Transportation. Retrieved January 27, 2014. 
  45. ^ "2004 (Route Log) AADTs - State Highways". Vermont Agency of Transportation. Archived from the original on 2007-10-27. Retrieved 2007-10-28. 
  46. ^ Virginia Department of Transportation, DRAFT Roadway Network (GIS data), October 2006
  47. ^ Staff (2013). "State Highway Log: Planning Report 2013, SR 2 to SR 971" (PDF). Washington State Department of Transportation. pp. 524–585. 
  48. ^ Distance calculated using Microsoft MapPoint mapping software.
  49. ^ Wisconsin Department of Transportation, Wisconsin Highway Trivia, accessed October 2007
  50. ^ "Length of Wyoming 789". Maps.google.com. 1970-01-01. Retrieved 2014-03-01.