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This article's
factual accuracy may be compromised due to out-of-date information .
Please help update this article to reflect recent events or newly available information. (February 2012 )
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 only 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 ]
^
Google (August 12, 2009).
"Length of Indiana Route 37: Southern Segment" (Map).
Google Maps . Google. Retrieved August 12, 2009 . Google (August 12, 2009).
"Length of Indiana Route 37: Northern Segment" (Map). Google Maps . Google. 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 .
^
Google (April 27, 2014).
"SH-3—Colorado to Seiling" (Map).
Google Maps . Google. Retrieved April 27, 2014 . Google (April 27, 2014).
"SH-3—Seiling to Southwest Oklahoma City" (Map). Google Maps . Google. Retrieved April 27, 2014 . Google (April 27, 2014).
"SH-3—Overlap with I-240" (Map). Google Maps . Google. Retrieved April 27, 2014 . Google (May 13, 2014).
"SH-3—Overlap with I-40" (Map). Google Maps . Google. Retrieved May 13, 2014 . Google (May 13, 2014).
"SH-3E" (Map). Google Maps . Google. Retrieved May 13, 2014 . Google (May 23, 2014).
"SH-3—Ada to Idabel" (Map). Google Maps . Google. Retrieved May 23, 2014 . Google (May 23, 2014).
"SH-3—Idabel to Arkansas" (Map). Google Maps . Google. 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
^ Google (December 20, 2011).
"Overview map of RI 114" (Map). Google Maps . Google. Retrieved December 20, 2011 .
^ Google (August 11, 2009).
"Length of South Carolina Highway 9" (Map). Google Maps . Google. 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