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1 Today’s Slides Census Transportation Planning Products (CTPP) Ed Christopher Resource Center Planning Team Federal Highway Administration.

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Presentation on theme: "1 Today’s Slides Census Transportation Planning Products (CTPP) Ed Christopher Resource Center Planning Team Federal Highway Administration."— Presentation transcript:

1 1 Today’s Slides http://edthefed.com/ Census Transportation Planning Products (CTPP) Ed Christopher Resource Center Planning Team Federal Highway Administration 19900 Governors Drive Olympia Fields, IL 60461 708-283-3534 edc@EdTheFed.com

2 2 What’s Covered The “NEW” CTPP Consolidated Purchase AASHTO Oversight Board Work Program - Data Products Resources General Data

3 3 “Long Form” to ACS 1960 OMB Journey-to-Work Tables 1970 and 1980 Urban Transportation Planning Package (UTPP) 1990 and 2000 Census Transportation Planning Package (CTPP) At ResidenceAt Workplace Flows between Home and Work

4 4 Past Journey to Work data Buyers/UsersDirect CostTables 1960OMB??? 1970112$0.6 M43 1980152$2.0 M82 1990$2.5 M120 2000$3.0 M203 2005 + AASHTO Consolidated Purchase $5.9 Million All States and MPOs

5 5 Why packages were so special The past Transportation data packages were unique because of the summary levels, geography, universes and data tables. The packages have always been designed by transportation planners for transportation planners Data Summary Levels

6 6 2000 BTS Product Distribution Center 1990 and 2000 BTS TranStats 1980 Try the MPO 1970 Try the MPO 1960 Good Luck http://www.transtats.bts.gov/ Where do you get the data https://www.bts.gov/pdc/ Call a Friend

7 7 C ensus T ransportation P lanning P roducts The CTPP embodies a collection of Census Data used for Transportation Planning. With changing data needs and the ACS, there will be a variety of different products useful for transportation planning emanating from Census Data. There will be Special Tabulations, Standard Tables and even Value Added-products. The CTPP captures all of these. Think of CTPP as a place to look for Census Data products to help with your Transportation needs Enter the ACS era…

8 8 AASHTO Standing Committee on Planning (SCOP) gets involved How did we get where we are? May 11-13, 2005, TRB Census Data for Transportation Planning Conference ftp://ftp.camsys.com/clientsupport/CTPPdata/Conference/index.html 2005 SCOP Census Data Working Group April 10-11, 2006, SCOP Workshop on Priority Census Data Uses and Needs For Transportation http://trbcensus.com/SCOP/docs/workshop_report.pdf May 10-11th 2007, SCOP ACS Capacity Building Peer Exchange http://trbcensus.com/SCOP/docs/acs_peer_exchange_may2007.pdf http://trbcensus.com/SCOP/

9 9  All States + DC  AASHTO Led  Oversight Board  Five Year period ~ 2011 Results of 2006 Workshop Federal Technical Advisory Group TRB Subcommittee -- List Serve (700 strong) Quarterly Newsletter -- Outreach Several Websites

10 10 Who paid what

11 11 States Vacant, (Region I) Nathan Erlbaum, NY (Region I) Hui Wei Shen, FL (Region II) Mike Thomas, GA (Region II) Phillip Mescher, IA (Region III) Ahmad Jaber, UT (Region IV) Ayalew Adamu, CA (Region IV MPOs Kuo-Ann Chiao, NYMTC Jerry Duke, RTC Vegas Steven Gayle, BMTS Mell Henderson MARC Arash Mirzaei, NCTCOG Guy Rousseau, ARC Vacant Ex Officio Members Ed Christopher, FHWA Melissa Chiu, Census Bureau Alison Fields, Census Bureau DeLania Hardy, AMPO Elaine Murakami, FHWA Robert Padgette, APTA Alan Pisarski, Consultant Steven Polzin, USF. CUTR Nanda Srinivasan, TRB John Sprowls, FTA Chair: Mary Lynn Tischer, VA (Region II) 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)

12 12 Approved Work Program Program Management -- Staff up Census Data Tabulations 3- and 5-year data products TAZ creation Training and Technical Assistance Research Approved FHWA-CB IAA for $1.19 million ACOB First Meeting August 5-6, 2008

13 13 Penelope Weinberger CTPP Program Manager, AASHTO 444 North Capitol Street NE Suite 249 Washington, DC 20001 202-624-3556 pweinberger@aashto.org http://ctpp.transportation.org Staff Additions Melissa Chiu CTPP Contractor Censu Bureau 301-763-2421 or (2454) melissa.c.chiu@census.gov

14 14 Data Tabulations (a year ago) Feb 6, 2008 3-year Table Request Submitted X

15 15 3-year Product Hits Snag All Tables rounded like 2000 No thresholds on Univariate Mode tables Cell thresholds on all Mode by “X” tables Tables with failing cells will be suppressed Includes all Resident and Workplace tables Worker flows by Total Workers and Flows by Mode [8] no thresholds Disclosure Review Board

16 16 1. Find unique traveler and build pseudo microdata record with all the crosstabs 18 variables 20K population area The CORE Issue CTPP Tables link to PUMS Records => 2. Add additional variables to pseudo microdata record 150 variables 100K pop. zone 3. Take new 20,000 Pop area Frankenstein record 4. Match it to files on Internet 5. Produce a person’s name, address and vitals 100 Main St, Fairfax VA

17 17 AASHTO appealed, and lost Feb 5, 2008 : Submitted 3-year CTTP Data request Feb. 14: Staff email suggests new DBR rules Mar. 12: New DRB rules received March-April: Discussed with community May 2: Sent response to DRB May 12: Met with full DRB June 2: AASHTO files appeal August 5: FHWA sends support letter August-Sept: FTA, COPAFS, others? support August 28: Appeal heard Sept 19: Appeal formally rejected Oct 18: Discussions at AASHTO SCOP, ACOB April 1, 2009: New Table request submitted http://trbcensus.com/drb

18 18 Census Data Tabulations April 1, ‘09 New 3-year Table Request Submitted

19 19 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 (Extraction Software) State

20 20 3-year Product Detail Submittal Letter http://trbcensus.com/aashto/docs/CTPP_3-year_table_request.pdf Table Detail http://trbcensus.com/aashto/docs/CTPPtables-09apr01-1.xls 1.Collapsed Mode to Work 2.Reduced Mode to Work Crosstabs to 5 variables 3.Increased Flows by Mode from 8 to 11 modes http://www.dot.gov/ctpp Also at

21 21 Collapsing Schema

22 22 “Too many” cross-tabulations by Means of Transportation (Mode) Age Sex Class of Worker Disability status Earnings Household Income Poverty status Industry Occupation Length of U.S. residence Minority Status (Y/N) Time Leaving Home Time Arriving (Part 2) Travel Time Vehicle Availability Workers in Household Age of Youngest Child …makes for micro data record Modal Crosstabs

23 23 The 3-year Product Summary HighlightsLow Lights Based on 2000 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 2000 Geography Incomplete Coverage Rounded Reduced Number of Crosstabs with Mode Tables will be Suppression

24 24 5-year Data Product

25 25 5-year Data Product Key product to the whole CTPP effort Likely to be all synthetic Hinges on some key research NCHRP Project 8-79 ($500K) Identifying Credible Alternatives for Producing 5-year CTPP Data Products from the ACS http://trbcensus.com/notes/NCHRP_CTPP_Data_Proposal_Oct2008.pdf

26 26 TAZs (Traffic Analysis Zones) What we were planning a year ago Will there be Census TAZS?

27 27 Where we are at today? http://trbcensus.com/notes/ACSTAZs.pdf Developed in late 2008 and early 2009 Summer 2011 All zones would nest within each larger zones and Counties GIS approach similar to (PSAP) equivalency process Funded under Consolidated Purchase But why the Change?

28 28 Resources to Consider

29 29 www.TRBcensus.com TRB Census Subcommittee

30 30 USDOT (FHWA) Website http://www.dot.gov/ctpp

31 31 http://ctpp.transportation.org AASHTO Website

32 32 http://trbcensus.com CTPP List Serve

33 33 Status Report http://www.fhwa.dot.gov/ctpp/status.htm http://www.trbcensus.com/newsletters.html

34 34 The 3-year Product http://www.trbcensus.com/aashto/index.html

35 35 Trend Data 2000 and 3-year ACS Includes MOEs and significance tests Keys on Transportation Variables New Profiles Summer 2009 Coming Soon

36 36 Research Efforts Report 588 Using ACS for Transportation Planning (9/06) 08-36(63) Making NAICS Work for Transportation (March 2007) 08-36(71) Disclosure Avoidance Techniques to Improve ACS Data Availability (5/09) 8-36(81) Enhancing the ACS as a Source for Home-to-Work Flows (10/09) www.trb.org/CRP/NCHRP/NCHRPProjects.asp?AreaID=8

37 37 Workplace Allocation-- Research and Implementation ($250K) Imputation of Vehicle Ownership and Means of Transportation (Done) NCHRP Project 8-79 ($500K) Identifying Credible Alternatives for Producing 5-year CTPP Data Products from the ACS Research Efforts

38 38 Ed Christopher 708-283-3534 edc@EdTheFed.com http://www.dot.gov/ctpp http://www.TRBcensus.com 202-366-5000 Today’s Slides http://edthefed.com/


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