List of longest state highways in the United States
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factual accuracy may be compromised due to out-of-date information.
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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[update] , 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
Notes
^ Some states internally number the Interstate Highways and U.S. Highways within their state as state highways; these are not counted in the list.
^ DC-295 is the only non-national route in the district.
^ 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)
^ 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)
^ OK-3's length was computed using OK-3E, the older (and longer) of its two forks.
See also
References
^ Alabama Department of Transportation . County Milepost Maps (PDF) (Map). Montgomery: Alabama Department of Transportation. Archived from the original (PDF) on June 25, 2008. Retrieved August 12, 2009 .
^ Alaska Department of Transportation and Public Facilities (April 25, 2006). "Central Region General Log" (PDF) . Juneau: Alaska Department of Transportation and Public Facilities. Routes 110000 (Sterling Highway), 130000 (Seward Highway), 134150 (Ingra Street), 134600 (6th Avenue), 134440 (5th Avenue), and 135000 (Glenn Highway).[dead link ] Alaska Department of Transportation and Public Facilities (April 25, 2006). "Northern Region General Log" (PDF) . Juneau: Alaska Department of Transportation and Public Facilities. Routes 135000 (Glenn Highway), 190000 (Richardson Highway), and 230000 (Tok Cut-Off Highway). [dead link ]
^ Arizona Department of Transportation . "2006 State Highway System Log" (PDF) . Phoenix: Arizona Department of Transportation. Archived from the original (PDF) on June 25, 2008. Retrieved September 6, 2008 .[page needed ]
^ Planning and Research Division (2010). "Arkansas Road Log Database" . Arkansas State Highway and Transportation Department . Archived from the original (Database) on June 23, 2011. Retrieved June 9, 2011 .
^ California Department of Transportation . Truck Network Map (Map). Sacramento: California Department of Transportation. Retrieved March 1, 2014 .
^ Colorado Department of Transportation . "Segment list for SH 14" . Denver: Colorado Department of Transportation. Retrieved May 12, 2007 .[dead link ]
^ Connecticut Department of Transportation . "Connecticut State Numbered Routes and Roads" (PDF) . Hartford: Connecticut Department of Transportation. Archived from the original (PDF) on September 5, 2015. Retrieved October 30, 2007 .
^ Delaware Department of Transportation (2006). "Traffic Count and Mileage Report" (PDF) . Dover: Delaware Department of Transportation. Archived from the original (PDF) on March 18, 2009.[page needed ]
^ "National Highway Planning Network GIS data" . Federal Highway Administration . August 2005. Archived from the original on August 23, 2007. Retrieved July 9, 2007 .
^ Florida Department of Transportation . "Straight Line Diagrams" . Florida Department of Transportation. Archived from the original on March 6, 2014. Retrieved April 1, 2014 .
^ Georgia Department of Transportation . "400 reports" (PDF) . Atlanta: Georgia Department of Transportation. Archived from the original (PDF) on September 26, 2007.
^ Voss, Oscar. "Big Island Route List" . Hawaii Highways . Retrieved October 22, 2007 . [self-published source ]
^ Idaho Transportation Department . "Idaho Milepoint Log" . Boise: Idaho Transportation Department. Archived from the original on August 17, 2009.
^ Rand McNally (2004). The Road Atlas United States, Canada and Mexico (Map). Chicago: Rand McNally. [page needed ]
^ "Length of Indiana Route 37: Southern Segment" (Map). Google Maps . Retrieved August 12, 2009 ."Length of Indiana Route 37: Northern Segment" (Map). Google Maps . Retrieved August 12, 2009 .
^ 2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation . January 1, 2009. Retrieved January 10, 2011 .
^ Kansas Department of Transportation . State Transportation Map (Map). Topeka: Kansas Department of Transportation. Archived from the original (PDF) on September 15, 2021. Retrieved December 1, 2021 .
^ Division of Planning. "Highway Information System Official Milepoint Route Log Extract" . Kentucky Transportation Cabinet . Archived from the original on April 30, 2007. Retrieved April 7, 2007 .
^ Louisiana Department of Transportation and Development , Highway Inventory Unit (2016). "LRS Conversion Tool" . Louisiana Department of Transportation and Development. Retrieved August 12, 2017 .
^ "Maine State Route 11" . Floodgap Roadgap's RoadsAroundME . Archived from the original on June 12, 2011. Retrieved July 21, 2009 .[self-published source ]
^ Maryland State Highway Administration . "Highway Location Reference" . Annapolis: Maryland State Highway Administration. Archived from the original on May 6, 2008. , 2005
^ Massachusetts Office of Transportation Planning. "2005 Road Inventory" . Executive Office of Transportation . Archived from the original on September 27, 2006.
^ Michigan Department of Transportation (2021). Next Generation PR Finder (Map). Michigan Department of Transportation. Retrieved October 11, 2021 .
^ Minnesota Department of Transportation. "Statewide Trunk Logpoint Listing" (PDF) . St. Paul: Minnesota Department of Transportation.
^ Mississippi Public Roads: Selected Statistics: Extent, Travel, and Designation (PDF) (Report). Mississippi Department of Transportation Planning Division. 2011. p. F-2. Archived from the original (PDF) on May 14, 2014. Retrieved May 29, 2019 .
^ Montana Department of Transportation . Official 2007–2008 Montana Highway Travel Map (PDF) (Map). Helena: Montana Department of Transportation. Archived from the original (PDF) on July 28, 2007. Retrieved September 9, 2007 .
^ Nebraska Department of Roads . Nebraska Highway Reference Log Book (PDF) . Lincoln: Nebraska Department of Roads. Retrieved February 25, 2009 .
^ Nevada Department of Transportation . Nevada State Maintained Highways, Descriptions, Index and Maps . Nevada Department of Transportation. Archived from the original on January 24, 2008. Retrieved March 1, 2014 .
^ New Hampshire Department of Transportation . "Route Logs" . New Hampshire Department of Transportation. Archived from the original on July 26, 2011.
^ New Jersey Department of Transportation . "Route 47 Straight Line Diagram" (PDF) . New Jersey Department of Transportation. Retrieved April 9, 2007 .
^ New Mexico Department of Transportation . New Mexico Department of Transportation State Route Log (PDF) . Santa Fe: New Mexico Department of Transportation. Archived from the original (PDF) on October 29, 2005. Retrieved October 25, 2008 .[page needed ]
^ New York State Department of Transportation (July 25, 2008). 2007 Traffic Data Report for New York State (PDF) . Albany: New York State Department of Transportation. Retrieved July 17, 2009 .
^ Transportation System Development (May 13, 2008). "RI82B: Centerline Miles, Lane Miles, and VMT by Route and County" . Ohio Department of Transportation . Retrieved August 4, 2009 .
^ "SH-3—Colorado to Seiling" (Map). Google Maps . Retrieved April 27, 2014 ."SH-3—Seiling to Southwest Oklahoma City" (Map). Google Maps . Retrieved April 27, 2014 ."SH-3—Overlap with I-240" (Map). Google Maps . Retrieved April 27, 2014 ."SH-3—Overlap with I-40" (Map). Google Maps . Retrieved May 13, 2014 ."SH-3E" (Map). Google Maps . Retrieved May 13, 2014 ."SH-3—Ada to Idabel" (Map). Google Maps . Retrieved May 23, 2014 ."SH-3—Idabel to Arkansas" (Map). Google Maps . Retrieved May 23, 2014 .
^ "Road Assets and Mileage" . Oregon Department of Transportation . Archived from the original on May 20, 2019. (primarily the Digital Video Log)
^ Calculated using DeLorme Street Atlas USA software
^ "Overview map of RI 114" (Map). Google Maps . Retrieved December 20, 2011 .
^ "Length of South Carolina Highway 9" (Map). Google Maps . Retrieved August 11, 2009 .
^ Texas Department of Transportation . "State Highway, Loop and Spur Facts" . Texas Department of Transportation. Retrieved July 20, 2009 .
^ Utah Department of Transportation . "Highway Reference" . Utah Department of Transportation. Retrieved January 27, 2014 .
^ Vermont Agency of Transportation . "2004 (Route Log) AADTs: State Highways" (PDF) . Vermont Agency of Transportation. Archived from the original (PDF) on October 27, 2007. Retrieved October 28, 2007 .
^ Virginia Department of Transportation (October 2006). "DRAFT Roadway Network" . Virginia Department of Transportation. Archived from the original (GIS data ) on May 18, 2008.
^ Washington State Department of Transportation (2013). State Highway Log: Planning Report 2013, SR 2 to SR 971 (PDF) . Olympia: Washington State Department of Transportation. pp. 524– 585.
^ Distance calculated using Microsoft MapPoint mapping software.
^ Wisconsin Department of Transportation . "Wisconsin Highway Trivia" . Wisconsin Department of Transportation. Archived from the original on August 6, 2007. Retrieved October 6, 2007 .
^ "WYDOT Reference Marker Book November 2004" (PDF) . Wyoming Department of Transportation . Archived from the original (PDF) on July 17, 2011. Retrieved October 31, 2011 .
External links