Azavea is a civic technology firm based in Philadelphia. Azavea applies geospatial technology for civic and social impact. The firm was the original developer of OpenDataPhilly. http://www.azavea.com/
Historic ward and ward division boundary data from PASDA and Azavea archives. Attribute tables were modified to match across all years.
Reported crashes in the city of Philadelphia from 2008-2012. Original data source is PennDOT, the data was geocoded and flag table merged with crash locations to provide a more complete dataset with incident information.
This dataset includes neighborhood boundaries for 157 neighborhoods in Philadelphia. It was created and is maintained by Azavea Inc.
Urban tree inventory database and wiki-style editing system that enables the public to edit information about individual trees, update existing data and calculate ecosystem benefits. KML and CSV downloads are available for maps