Pennsylvania Topographical Map Finding Aid
The Carnegie Library of Pittsburgh maintains a collection of United States topographical maps (primarily 1:24,000) as well as topographical maps of some foreign locations. The library’s maps were published by the United States Geological Survey, the Defense Mapping Agency and/or the Pennsylvania Geological Survey over the past century. Library staff and volunteers have created an inventory and finding aid for the Pennsylvania topographic maps. For further information concerning these maps, or to make a research request to view a map, please see or contact a librarian (412 622-3175) in Reference Services on the second floor of Main Library.
PGHGIS: Pittsburgh Geographic Information System
You can even see what properties lie on top of the Fort Pitt Tunnel.
Allegheny County Municipalities
Don't know where a town is? Check here for a map and information on each of the 130 municipalities that make up Allegheny County.
Bike Pittsburgh Map of Pittsburgh
An online edition of their print map of bicycling routes in the city.
City of Pittsburgh City Planning
City of Pittsburgh Planning Department Neighborhood Maps
Includes maps of the 88 neighborhoods of Pittsburgh.
- City of Pittsburgh Planning Department Neighborhood Maps
Pittsburgh was one of the first cities to be extensively mapped by Google Street View.
Google Transit Labs
Pittsburgh is one of the test locations for Google transit directions, in conjunction with the Port Authority of Allegheny County.
Historic Pittsburgh Map Collection
The University of Pittsburgh Digital Library includes an Historic Pittsburgh Maps Collection, which currently comprises 22 volumes (974 plat maps). Maps in the Historic Pittsburgh collection are now searchable by street name and building name and type.
During the first four seasons of Sprout Public Art, communities collaborated with artists to develop 31 enduring works of public art (see map)that enhance the urban landscape and consider the people of the community, their history and their hopes for the future. You can download a .pdf of the map and take a tour!
Pittsburgh Mapping and Historical Site Viewer
Chris Olsen created a layered map using maps from 1835, 1855, 1872, 1882, 1903-07, 1910, 1923 and 2010. Read more about it in the Pittsburgh Post-Gazette: Interactive website maps Pittsburgh's history.