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Former route of US 222 through the Reading area that was replaced by multiple expressways US 322 Bus. 9: 14 I-99/US 220/US 322 near State College: US 322 near Boalsburg: 1985: current Former route of US 322 through State College and Boalsburg that was replaced by an expressway US 322 Truck: 4: 6.4 US 30 Bus./US 322 in Downingtown: US 30 Bus./
The Pennsylvania State Route System was established by the Sproul Road Bill passed in 1911. The system took control of over 4,000 miles of road. The system took control of over 4,000 miles of road. The system of roads continued to grow over the next few decades until continual addition of roads faced greater opposition.
Since Pennsylvania first introduced numbered traffic routes in 1924, a keystone symbol shape has been used, in reference to Pennsylvania being the "Keystone State". The signs originally said "Penna" (a common abbreviation for Pennsylvania at the time), followed by the route number in block-style numbering in a keystone cutout.
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).
Pennsylvania Spatial Data Access (PASDA), [4] the official public geospatial data clearinghouse for the Commonwealth of Pennsylvania marked its 18th year in 2014. PASDA, which has grown from a small website offering 35 data sets in 1996 to the expansive user-centered data clearinghouse that it is today, has become a staple of the GIS community in Pennsylvania.
This is a list of State Routes in Dauphin County, Pennsylvania. State Routes in Pennsylvania are maintained by the Pennsylvania Department of Transportation.This list incorporates routes numbered between 0001 and 4999 which are either Traffic Routes (Interstate, US, or PA Routes numbered 0001 through 0999) or Quadrant Routes (State Routes numbered 1001 through 4999).
Multimodal Transportation also looks over 65 railroads which operate over 5,600 miles (9,000 km) of track in the state. PennDOT oversees bicycle routes across the state, including the state-designated BicyclePA bicycle routes and the portions of the federally-designated United States Bicycle Route System located within Pennsylvania. [6]
U.S. Route 19 (US 19) in Pennsylvania is closely paralleled by Interstate 79 (I-79) for its entire length. US 19 enters Pennsylvania from West Virginia in Greene County near Mount Morris. Its northern terminus is at US 20 in the city of Erie. Part of it is named for Commodore Oliver Hazard Perry, hero of the Battle of Lake Erie.