A comprehensive listing of the structures. Includes detailed histories and photographs.

Includes route logs and photographs.

Studies in detail streets in Pittsburgh which are really stairways and streets so steep they need stairways as sidewalks.

Citizens' group site on new toll roads in the southwest part of the state. Includes maps.

Covers the conditions of existing roadways which are planned to carry an I-99 extension.

Covers the city and surrounding area in the west part of the state. Includes history and photographs.

Specific to State College and surroundings. Also covers Georgia and Michigan.

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.

Covers the north-central portion of the state as well as the Southern Tier of New York.

Historic maps and information about the roads in the Pittsburgh area.

Lists driver and vehicle services, traveller and construction information, and details on public safety.

Includes details and history on state-maintained roadways; special pages on Harrisburg, Philadelphia, and Pittsburgh; exit guides; and photographs.

Essays on transportation history in the Philadelphia area.

History and current information on the highway and bridge system in the metropolitan area.

Involves the upgrade of the thoroughfare (U.S. Route 1) in Philadelphia. Site includes documents, project schedule, and meeting schedule.

Promotes the upgrade of US 15 from the New York state line to the Harrisburg area.

Includes histories, photo essays, and discussions.