The Commonwealth of Pennsylvania (pronounced ) is a state in the eastern part of the United States. One of the original Thirteen Colonies that founded the country, it is known as the Keystone State, which is appropriate given its central location among the original colonies, or the Quaker State. With industry making Conestoga wagons and rifles, and tobacco farms, it was a transitional area bearing characteristics of both the heavily industrialized North and the agrarian South.
Consequently, three Keystone State cities—Philadelphia, Lancaster, and York—served as capital of the new nation, with the Founding Fathers drawing up and signing the Declaration of Independence, the Articles of Confederation, and the Constitution in Pennsylvania. Philadelphia is known as the cradle of the American Nation.
Pennsylvania has two coastal areas: 63 miles (100 km) of coastline along Lake Erie and 57 miles (92 km) along the Delaware Estuary. Philadelphia is home to a major seaport and shipyards on the Delaware River.
More on [ Pennsylvania ]
Northeast :: United States
Pennsylvania :: United States

Pennsylvania Department of Transportation - Lists driver and vehicle services, traveller and construction information, and details on public safety.
Pennsylvania Highways - Includes details and history on state-maintained roadways; special pages on Harrisburg, Philadelphia, Pittsburgh, and Erie; exit guides; and photographs.
Bridges and Tunnels of Allegheny County and Pittsburgh, PA - A comprehensive listing of the structures. Includes detailed histories and photographs.
Meta Description: [ A comprehensive listing of bridge and tunnel structures in Allegheny County and Pittsburgh, Pennsylvania. ]
Central PA/MD Roads - Includes route logs and photographs.
City of Pittsburgh Step Trek - Studies in detail streets in Pittsburgh which are really stairways and streets so steep they need stairways as sidewalks.
Fayette Expressway Completion Organization - Citizens' group site on new toll roads in the southwest part of the state. Includes maps.
Future Interstate 99 North of I-80 - Covers the conditions of existing roadways which are planned to carry an I-99 extension.
Meadville Area Highways - Covers the city and surrounding area in the west part of the state. Includes history and photographs.
Meta Description: [ Take a photo tour of the US and Pennsylvania state routes that serve Meadville and neighboring communites. ]
MPG Roads - Specific to State College and surroundings. Also covers Georgia and Michigan.
Old Route 61 - Photos and description of the former routing of State Route 61 through Centralia, which was rerouted when an underground coal mine fire caused the road to break up.
Pennsylvania and Pittsburgh Roads - Historic maps and information about the roads in the Pittsburgh area.
Pennways - Essays on transportation history in the Philadelphia area.
Meta Description: [ Highway and Transportation History Website for
Philadelphia and the Delaware Valley, Mainly Highways, but Rail Transit also ]
Philadelphia Area Roads, Crossings and Exits - History and current information on the highway and bridge system in the metropolitan area.
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Roosevelt Boulevard Transportation Investment Study - Involves the upgrade of the thoroughfare (U.S. Route 1) in Philadelphia. Site includes documents, project schedule, and meeting schedule.
The Route 15 Coalition - Promotes the upgrade of US 15 from the New York state line to the Harrisburg area.
The SWPA Roads Project - Includes histories, photo essays, and discussions.
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