The DC GIS program operates a data maintenance and enhancement program to keep data current and introduce new and valuable GIS layers to the District government and public. The most recent data additions and updates to the DC GIS data services are:

• Bridge Point
• Bridge Polygon
• Commuter Bus Location
• CAMA Commercial*
• CAMA Condominium*
• CAMA Residential*
• Flexcar Site
• Highway Advisory Radio Site
• Owner Point
• Primary Signalized Route
• Sale Point
• School Crossing Guard Location
• Secondary Signed Route
• Signalized Intersection
• Signed Bike Route
• Speed Detector
• Street Centerline
• Supercan
• Traffic Control Officer
• Weigh-In-Motion Station
• Zipcar Location

*CAMA - Computer Aided Mass Appraisal

For District government, the data is available in the DC GIS Central geodatabase, accessible through Citrix on the DC GIS tool bar.

For the public, the data is accessible through the DC GIS Data Clearinghouse/Catalog search engine. Enter a keyword or layer name into the search field to return metadata and download options. Download options are available for both ESRI and Google formats. DC GIS data can also filtered by layer theme for grouped results.  The advanced search allows for specialized searching. 

If you have any comments about the site or experience any difficulties, please email us.