Important City & Regional Planning Maps, Atlases & GIS

Antiquae Urbis Romae
High-quality scan of the 1552 edition of "Antiquae Urbis Romae imago accuratiss.... " via the website of the Bibliotheque Nationale de France. Title of some editions is printed as: Antiqvae Vrbis Ro...   [more]
Unrestricted Access

Digital Sanborn Maps -- Pennsylvania
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Google Transit Feed
A list of publicly-accessible transit data feeds....   [more]
Unrestricted Access

LandScan Global and Archive (2000-2020)
Also Known as: LandScan, LandScan Archive
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Supplemental URLs
    WebApp (current annual release)
    WebApp 2012
    
    WebApp Portal (all years)
    

Philadelphia CityMaps: Zoning Overlay
Also Known as: phila.gov
Presents current Philadelphia zoning (mandated land use) information on individual properties within Philadelphia County using an interactive mapping interface....   [more]
Unrestricted Access

Philadelphia Historic Streets Index
Also Known as: PhillyHistory.org
Street name changes with Philadelphia, compiled from original road records, docket books, jury decisions, and surveys held by the Philadelphia City Archives, Record Group 90.47. ...   [more]
Unrestricted Access

PolicyMap
Also Known as: Policy Map
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ProQuest Sanborn Maps Geo Edition (1867-1970)
Also Known as: Sanborn Maps , Geo Edition
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Unrestricted Access

Sanborn Fire Insurance Maps, Philadelphia - Microform Collection
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Unrestricted Access

Social Explorer
The Social Explorer produces maps and reports of US Census Tract level data from 1940-2000. Using high quality maps and data, they make available the full contents of the tract data for the United Sta...   [more]
Supplemental URLs