3-year Product June 2009 ‘05-’06-’07 20,000 people Zones 2000 Geography Actual Flows 5-year Product June 2011 ’05-’06-’07-’08-’09 Small Areas New TAZs Synthetic Flows

Will there will be TAZs? BaseTAZ Traditional Size MediumTAZ 4,000 population LargeTAZ 20,000 population Developed in late 2008 and early 2009 All zones would nest within each other and CountiesAll zones would nest within each other and Counties GIS approach to developmentGIS approach to development Funded under Consolidated PurchaseFunded under Consolidated Purchase Make sure to include staff time in Work Program

Comments July 5, 2007

For 2000 BG Minimum was 300 to 600 people For Tracts the Minimum was 1,500 people

Federal Register Notice

TAZS Discussions with CB for including TAZs in PSAP software-contracts in place Research on Disclosure Completed--Final Decisions on TAZ sizes PSAP--TAZ Info to States and MPOS--TAZs developed by States and MPOs Verify and Review by CB

NO YES Will the NEW Block Group criteria be applied to TAZs? Should it apply?

Population and Worker Size Distribution of 2000 TAZs

Resident TAZ Population Zero10, , , , , , , , , , , , Workplace TAZ Workers Zero Workers17, Workers31, Workers18, Workers23, Workers33, Workers13, Workers7, Workers12, Workers4, Workers1, Workers more than 5,000 Workers4860.9

Population and Worker Size Distribution of 2000 TAZs