Interstate Highways of the Pennsylvania State Route System |
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Route markers for Interstate 83, Interstate 376, Interstate 83 Business, and Interstate 376 Business |
Interstate Highways highlighted in red |
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Notes | All routes are assigned State Route (SR X) numbers, usually corresponding to the signed numbers. Interstates are generally state-maintained. |
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Interstates | Interstate X (I-X) |
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Business Loops: | Interstate X Business (I-X Bus.) |
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The list of Interstate Highways in Pennsylvania encompasses 23 Interstate Highways—12 primary routes and 11 auxiliary routes—which exist entirely or partially in the U.S. state of Pennsylvania. In Pennsylvania, most of the Interstate Highways are maintained by the Pennsylvania Department of Transportation (PennDOT). Some stretches are also maintained by the Pennsylvania Turnpike Commission, Delaware River Port Authority, the Delaware River Joint Toll Bridge Commission, and two short stretches maintained by the New York State Department of Transportation (these being the Delaware River bridge on Interstate 84 (I-84) and a short stretch of the future I-86 in Bradford County). Interstate Highways make up three percent of all roadway lane miles in Pennsylvania and have a combined length of 1,953 mi (3,143 km) within the state. Twenty-four percent of all vehicle traffic is on the Interstate System.[1]
Primary Interstate Highways
Auxiliary Interstate Highways
Business routes
Gallery
See also
References
- ^ "Key Facts About Pennsylvania's Interstate Highway System" (PDF). TRIP. Archived from the original (PDF) on September 29, 2006. Retrieved June 15, 2008.
- ^ Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2021". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved July 26, 2022.
- ^ a b c d e f g h i j k l m n o p q r Kitsko, Jeffrey J. (2000–2008). "Interstate Highways". Pennsylvania Highways. Retrieved July 9, 2008.[self-published source]
- ^ Starks, Edward (January 27, 2022). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2021". Federal Highway Administration. Retrieved May 10, 2016.
External links
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