1 today’s slides census transportation planning products (ctpp) ed christopher resource center...
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Today’s Slideshttp://edthefed.com/
Census Transportation Planning Products (CTPP)
Ed Christopher Resource Center Planning TeamFederal Highway Administration
19900 Governors DriveOlympia Fields, IL 60461
708-283-3534
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What’s Covered
• The “NEW” CTPP• Consolidated Purchase
• AASHTO Oversight Board
• Work Program - Data Products
• Resources• General
• Data
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“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
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Past Journey to Work data
Buyers/Users Direct Cost Tables
1960 OMB ??? ???
1970 112 $0.6 M 43
1980 152 $2.0 M 82
1990 $2.5 M 120
2000 $3.0 M 203
2005 + AASHTO Consolidated Purchase $5.9 Million
All States and MPOs
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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
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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
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Census Transportation
Planning Products
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…
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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 Conferenceftp://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 Transportationhttp://trbcensus.com/SCOP/docs/workshop_report.pdf
May 10-11th 2007, SCOP ACS Capacity Building Peer Exchangehttp://trbcensus.com/SCOP/docs/acs_peer_exchange_may2007.pdf
http://trbcensus.com/SCOP/
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All States + DC
AASHTO Led
Oversight Board
Five Year period ~ 2011
Results of 2006 Workshop
Federal Technical Advisory GroupTRB Subcommittee -- List Serve (700 strong)Quarterly Newsletter -- OutreachSeveral Websites
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Who paid what
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StatesVacant, (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
MPOsKuo-Ann Chiao, NYMTCJerry Duke, RTC Vegas
Steven Gayle, BMTSMell Henderson MARC
Arash Mirzaei, NCTCOGGuy Rousseau, ARC
VacantVacant Ex Officio Members
Ed Christopher, FHWAMelissa Chiu, Census BureauAlison Fields, Census Bureau
DeLania Hardy, AMPOElaine Murakami, FHWARobert Padgette, APTA
Alan Pisarski, ConsultantSteven 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)
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Approved Work Program
Program Management -- Staff up
Census Data Tabulations3- and 5-year data productsTAZ creation
Training and Technical Assistance
Research
Approved FHWA-CB IAA for $1.19 million
ACOB First Meeting August 5-6, 2008
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Penelope WeinbergerCTPP Program Manager, AASHTO444 North Capitol Street NE Suite 249Washington, DC [email protected]://ctpp.transportation.org
Staff Additions
Melissa ChiuCTPP ContractorCensu Bureau301-763-2421 or (2454)[email protected]
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Data Tabulations (a year ago)
Feb 6, 2008 3-year Table Request Submitted
X
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3-year Product Hits Snag
All Tables rounded like 2000
No thresholds on Univariate Mode tables
Cell thresholds on all Mode by “X” tablesTables with failing cells will be suppressedIncludes all Resident and Workplace tables
Worker flows by Total Workers and Flows by Mode [8] no thresholds
Disclosure Review Board
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1. Find unique traveler and build pseudo microdata record with all the crosstabs
18 variables20K population area
The CORE Issue
CTPP Tables link to PUMS Records
=>2. Add additional variables to pseudo microdata record
150 variables100K 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
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AASHTO appealed, and lost
Feb 5, 2008 : Submitted 3-year CTTP Data requestFeb. 14: Staff email suggests new DBR rulesMar. 12: New DRB rules receivedMarch-April: Discussed with communityMay 2: Sent response to DRBMay 12: Met with full DRBJune 2: AASHTO files appeal August 5: FHWA sends support letterAugust-Sept: FTA, COPAFS, others? support August 28: Appeal heardSept 19: Appeal formally rejectedOct 18: Discussions at AASHTO SCOP, ACOBApril 1, 2009: New Table request submitted
http://trbcensus.com/drb
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Census Data Tabulations
April 1, ‘09 New 3-year Table Request Submitted
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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
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3-year Product Detail
Submittal Letterhttp://trbcensus.com/aashto/docs/CTPP_3-year_table_request.pdf
Table Detailhttp://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/ctppAlso at
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Collapsing Schema
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“Too many” cross-tabulations byMeans 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
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The 3-year Product Summary
Highlights Low LightsBased 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
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5-year Data Product
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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
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TAZs (Traffic Analysis Zones)
What we were planning a year ago
Will there be Census TAZS?
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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?
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Resources to Consider
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http://ctpp.transportation.org
AASHTO Website
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Status Report
http://www.fhwa.dot.gov/ctpp/status.htm
http://www.trbcensus.com/newsletters.html
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The 3-year Product
http://www.trbcensus.com/aashto/index.html
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Trend Data 2000 and 3-year ACS
Includes MOEs and significance tests
Keys on Transportation Variables
New Profiles
Summer 2009
Coming Soon
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Research Efforts
Report 588 Using ACS forTransportation Planning (9/06)
08-36(63) Making NAICS Workfor 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
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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
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Ed Christopher708-283-3534
http://www.dot.gov/ctpp
http://www.TRBcensus.com
202-366-5000
Today’s Slides
http://edthefed.com/