Traffic Analysis Zones, This Layer was created by ARC's Transportation Planning Division to identify Traffic Analysis Zones (TAZs) in the 20-county Atlanta Region. These TAZs represent the geography used in the ongoing transportation modeling for the Envision 6 forecast series (, Published in 2006, 1:100000 (1in=8333ft) scale, Atlanta Regional Commission.
TIGER/Line Shapefile, 2011, Series Information File for
the 2010 Census Traffic Analysis Zone (TAZ) State-based
TIGER/Line Shapefile, 2012, Series Information File for the Current Topological Faces (Polygons With All Geocodes) Shapefiles