The World of Census DATA according to Ed Christopher FHWA Resource Center Planning Team an update of relevant activities

CTPP 2000 Production is Done Technical Support Continues List Serve List Serve Two Websites Two Websites TRBcensus.com TRBcensus.com ASCII files are served online from BTS TranStats Disks w/software at BTS Product Distribution Center

CTPP takes on NEW Name and Logo NEW Name and Logo If was first floated at TRB and has proved to be sea worthy

1960 OMB Journey-to-Work Tables 1980 Urban Transportation Planning Package Urban Transportation Planning System-UTPS CTPP 1990 Census Transportation Planning Package CTPP 2000 Census Transportation Planning Package UTPP 1970 Urban Transportation Planning Package UTPP

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 the CTPP as a place to look for Census Data products to help with your Transportation Planning needs

Look for the CTPP stamp when looking for data Use the CTPP as your stamp of approval Join the CTPP Generation

The American Community Survey is upon us Full implementation underway Group Quarters now added First data – August 2006 Included some Place of Work Tables Has issues Has opportunities It’s a huge paradigm shift

The ACS Data Release Schedule Type of Data Population Size of Area Data for the Previous Year Released In the Summer of: Annual Estimates 65, year averages 20, year averages Less than 20,000

What data would you use in your stew?

Data Release Schedule for 2005 Data August 15, 2006 Social and Demographic Characteristics August 29, 2006 Economic Characteristics; Public Use Microdata File October 3, 2006 Housing Characteristics; Narrative Profiles; Workplace Base Tables November 14, 2006 Selected Population Profiles

August 15 th Demographic and Social

August 29 th Economic Characteristics August 29 th Economic Characteristics and PUMS too

October 3 rd Housing ---- Etcetera

October 3 rd Etcetera October 3 rd Etcetera … For Workplace Geography

Whose watching over all of this for the Transportation Community? CTPP Working Group USDOT (FHWA, BTS, FTA and OST) Census Bureau (Migration and Geography Divisions) AASHTO States and MPOs TRB Subcommittee on Census Data www. TRBcensus.com AASHTO SCOP -- Census Data Work Group 24 states, the associations, 3 MPOs and Feds

AASHTO SCOP Working Group Goals

SCOP -- DOT -- TRB April Workshop David Clawson AASHTO SCOP Jonette Kreideweis Minnesota DOT Met Face to Face What do “YOU” want out of a CTPP? Identified Research, Training and Data Needs Scoped out a Multi-year consolidated purchase program

Consolidated CTPP Purchase Recommended by SCOP Data Working Group (April 2006) SCOP supported in concept (June 2006) Tasks under discussion (July – Sept 2006) Vetted ( late August – Sept) Recommended to AASHTO Board by SCOP (October 2006) Letters of intent going out to states (December 2006) On-Demand Technical Assistance $930,000 Training$625,000 Research$920,000 Data Products$2,980,000 Oversight Activities$465,000 TOTAL$5,920,003

More Technically Focused Providing Technical Assistance Expertise to Activities Newsletter, List serve Community Development Working through Disclosure Issues CTPP Working Group Let’s Look at one of our latest efforts!

1. Resident Person Information DONE 2. Resident Household Characteristics COMING SOON 3. Worker/Workplace Data UNDER DEVELOPMENT ACS Data Profiles

States, Large Cities, MSAs Resident Person Information Mode to work Travel Time to work Departure Time for work Mode to work by Travel Time Mode to work by Average Travel Time

Statistical Significance Tests Standard Error = Margin of Error / 1.65 But what about MOEs for 2000 data? 90% Confidence

Chapter 8: Accuracy of the Data Estimate Standard Errors Adjust for Survey Design Factors - Table C

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1. Resident Person Information DONE 2. Resident Household Characteristics COMING SOON 3. Worker/Workplace Data UNDER DEVELOPMENT ACS Data Profiles

Mode to work by Vehicles Available Vehicles Available in Households Household Size by Vehicles Available Vehicles Available by Workers in Household Persons in Households by Workers in Household The Nation, States, All PUMAs, Counties and Places over 65k Resident Household Characteristics COMING SOON

States, Counties and (hopefully) Places over 65k Worker / Workplace Data UNDER DEVELOPMENT Total Workers Travel Time to work Mode to Work EtceteraEtceteraEtcetera

Other Tidbits NCHRP 8-48 Guidebook Using the American Community Survey Data for Transportation Planning ($350K) Census Bureau ACS Data Users Training CD NCHRP 8-36 Project Disclosure Avoidance Techniques to Improve ACS Data ($75) NCHRP Proposal --- Reconciling Differences Between ACS and Other Data Sources ($300K)

Other Tidbits Continued Florida CTPP Computer Lab and Workshop, March 27 th and 28 th 2007 Census Geography and Participant Statistical Areas Program—Defining TAZs CNSTAT, Panel on Functionality and Usability of Data from the American Community Survey Report, under review

Ed Christopher Resource Center Planning Team Federal Highway Administration Governors Drive Olympia Fields, IL