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1 Putting a Transportation Perspective on Census Geography (April 11, 2010) Ed Christopher Resource Center Planning Team Federal Highway Administration.

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Presentation on theme: "1 Putting a Transportation Perspective on Census Geography (April 11, 2010) Ed Christopher Resource Center Planning Team Federal Highway Administration."— Presentation transcript:

1 1 Putting a Transportation Perspective on Census Geography (April 11, 2010) Ed Christopher Resource Center Planning Team Federal Highway Administration 4749 Lincoln Mall Dr. Rm 600 Matteson, IL Topics 2010 Census Urban Areas MSAs PUMAs TAZs CTPP Update

2 Census Day - APRIL 1st Short Form Population count Age, Race, Sex, Owner/Renter

3 3

4 4 What is your Local Response Rate?

5 5 Urban Boundaries Census Defined Urban Area (UA) Adjusted Urbanized Area (UZA) Metropolitan Planning Area (MPA) Non-Attainment Area

6 6 Boundaries - the Important thing Census Defined Urban Area (UA) - Population + $$$ Adjusted Urbanized Area (UZA) - Functional Class Metropolitan Planning Area (MPA) - MPO Jurisdiction Non-Attainment Area The Letters UZA and UA often get mixed up

7 7 Boundaries - some names people use Census Defined Urban Area (UA) Census Urbanized Area (UZA) Adjusted Urbanized Area (UZA) Federal Aid Urban Area (FAUA) FHWA Adjusted Boundary Adjusted Urban(ized) Area Metropolitan Planning Area (MPA) Planning Area MPO Boundary

8 8 100K - Threshold Grandfathering 200K - Project Selection Authority 1 Million+ Special Funding and Requirements NARC - Status Quo AASHTO - Somewhat Vague FHWA - Internal House - T+I Committee, HR ____ Senate - Whats an MPO?

9 9 Census Defined Urban Area (UA) feb density based, automated process, identified urban clusters (2,500 pop), ignored place boundaries and built from Census Blocks 2010 Census Bureau still deciding process Investigating use of place of work data via ACS, reviewing land use covers and digital elevation maps and satellite imagery, thinking about using household densities and building from Census Tracts. Look for criteria for defining urbanized areas and clusters in Spring 2010 in Federal Register

10 10 Webinar and other Materials Q/As from Webinar

11 11 Some Final Words on UAs

12 12 Metropolitan Statistical Areas Metropolitan and Micropolitan Statistical Areas, Metropolitan Divisions, Combined Statistical Areas Mega Regions

13 13 PUMAs? -- What are they? PUMAs are the zones used from PUMS data Public Use Microdata Sample PUMS data is based on individual census records and is available only at large geographic areas. Think of the PUMS dataset as the raw, disaggregate census sample data, at a large enough geographic level necessary to protect the confidentiality of the census respondent. ACS Sample Standard Tabs PUMS Records

14 14 Why are PUMAs Important? Lets Look at Annual Data Annual Data 65K+ Note the areas in gray We call this Swiss Cheese NE Illinois (2008 pop estimate) Chicago

15 15 Why are PUMAs Important? NE Illinois (PUMAs) Tabulation Area for ACS Represent 100K Complete Coverage Smaller than Counties NO Swiss Cheese

16 16 How many PUMAs should this area have? City of Chicago 2000 PUMAs 2,896,016 (2000 Pop) Why are PUMAs Important? - Defines areas for analysis - Tabulation Area for ACS Who Defines Them? - The Community - Led by State Data Center When are They Defined? - S ummer Criteria out Spring 2010

17 What is the CTPP? CTPP is an umbrella program of data products, custom tabulations, training, technical assistance, and research for the transportation community. CTPP uses data from U.S. Census Bureau, including American Community Survey (ACS). Census Transportation Planning Products

18 All States + DC AASHTO Led Oversight Board Five Year period ~ 2011 (2012) CTPP Program Federal Technical Advisory Group TRB Subcommittee -- List Serve (830 strong) Quarterly Newsletter -- Outreach Several Websites Acquire Data and Develop Products 63% Research, Training and Outreach 21% Manage Program 3% Board Discretion 12% TOTAL$5,844,332

19 19 States Laine Heltebridle, PA (Region I) Nathan Erlbaum, NY (Region I) Hui Wei Shen, FL (Region II) Paul Agnello, VA (Region II) Phillip Mescher, IA (Region III) Ahmad Jaber, UT (Region IV) Ayalew Adamu, CA (Region IV) MPOs Kuo-Ann Chiao, NYMTC Steven Gayle, BMTS Mell Henderson, MARC Arash Mirzaei, NCTCOG Guy Rousseau, ARC Clara Reschovsky,MWCOG Pete Swensson, TRPC Vacant Ex Officio Members Ed Christopher, FHWA Melissa Chiu, Census Bureau Alison Fields, Census Bureau Rich Denbow, AMPO Elaine Murakami, FHWA Robert Padgette, APTA Alan Pisarski, Consultant Steven Polzin, USF. CUTR Nanda Srinivasan, TRB John Sprowls, FTA Chair: Jennifer Finch, CO (Region IV) Vice Chair: Jonette Kreideweis, MN (Region III) : AASHTO Liaison: Penelope Weinberger 17 voting members: 9 states and 8 MPOs Consensus Decision Making AASHTO CTPP Oversight Board (ACOB)

20 20 Penelope Weinberger CTPP Program Manager, AASHTO 444 North Capitol Street NE Suite 249 Washington, DC Special Staff Melissa Chiu CTPP Program Manager Censu Bureau , 2454

21 21 Data Products Uses ACS Compares to 2000 Focused on Transportation Includes Significance Tests 3-Year Data Profiles

22 22 Coming in September CTPP 3-Year Main Product September , 2007, ,000 Pop. Areas (County, Place, PUMAs) Actual Flows /

23 23 The 3-year Product Design 2000 Geography MSA – EACH Principal City Metropolitan Statistical Area State-POW PUMA State-PUMA State-Place State-County-MCD State-County Nation (US Total) Product Structure 3-Parts Part 1- Place of Residence Part 2- Place of Work Part 3- Flows between Home and Work with On-Line Extraction Software State

24 24 3-year CTPP Product Summary HighlightsLow Lights Based on CTPP2000 Tables Many NEW Univariate Tables More Age Tables Streamlined Race Tables More HH and HH Lifecycle Tables More English Proficiency Tables Way more Flows Tables Incomplete Coverage Rounded Reduced Number of Crosstabs with Mode -- Travel time -- Household income -- Vehicle availability -- Age -- Time leaving home Tables will have Suppression -- Means based on 3 values -- 3 records in Flow

25 25 CTPP 5-year data product CTPP 5-Year Main Product Fall , 07, 08, 09, 2010 Small Areas (Tract, TAZ, Block Group) New TAZs Synthetic Data and Flows

26 26 NEW TAZs Traffic Analysis Zones Developed in Summer 2011 TAZs will nest with TADs GIS equivalency process Funded under Consolidated Purchase FHWA is contacting state DOTs to set up contacts Subcommittee working on TAZs Guy Rousseau-chairing TAZ Traffic Analysis Zone Traditional Size TAD Traffic Analysis District 20,000 population

27 27 Building the 5-year data Key product to the whole CTPP effort Hinges on some key research NCHRP Project 8-79 ($550K) Producing Transportation Data Products from the American Community Survey that Comply with Disclosure Rules Contractor selected Nov 2009 Westat Inc. (signed contact January)

28 28 Resources

29 29 CTPP List Serve

30 30 Status Report newsletter

31 31 ACS Data Profiles

32 32 Report 588 A Guidebook for Using ACS Data for Transportation Planning 275 pages Trend Analysis How to recalculate Margins of Error Training and Technical Assistance

33 33 A Compass for Understanding And Using ACS Data Set of user-specific handbooks Train-the trainer materials E-learning ACS Tutorial Working with ACS

34 34 Getting Data - Census Standard Products FactFinder

35 35 What is on your mind? For a free copy of these slides go to

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