TRAFFIC ZONE ANALYSIS --
Traffic Analysis Zones, 2000 (1:100,000)
Shows traffic analysis zones identified by the U.S. Bureau of the Census. Vigo, Madison, and Monroe counties were not available at time of creation. Data is from U.S. Department of Commerce, U.S. Census Bureau, Census 2000 Tiger Line Files.
FGDC metadata: TRAFFIC_ZONES_TIGER00_IN