Subcommittee on Census Data For Transportation Planning
C2SS Transportation Tidbits 
The C2SS was a survey of 700K households designed to test the operational feasibility of collecting long form-type data simultaneously, but separately, from a decennial census.  The first wave of C2SS data was released at the statewide level in august 2001.  Additional data for most cities and counties of 250,000 or more people are scheduled for release in the fall 2001, and winter 2002.
Transportation Related
Power Point Presentation (.ppt)
of the C2SS Data (550K)
by Elaine Murakami and Nanda Srinivasan
Zipped Excel Files with 1990 CTPP Data and the 2000 C2SS
Modes to Work by State (14K) 
Vehicles Available by State (12K)
Travel Time by State (21K)
A Review of the Journey to Work data findings from the C2SS
by Alan Pisarski
(a zipped msword file, 126K)
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County and City Data Profiles
The 1990 data used here came from STF3 tabulations while the 2000 data came from the Census 2000 Supplementary Survey (C2SS).  The C2SS was a survey of 700K households designed to test the operational feasibility of collecting long form-type data simultaneously, but separately, from a decennial census.  The first wave of C2SS data was released at the statewide level.  Additional data for most cities and counties of 250,000 or more people are scheduled for release in the fall 2001, and winter 2002.

Comparisons to 1990 have some caveats.

Note:  All estimates include statistical variability.  No statistical comparisons of 1990 Census and C2SS estimates taking this variability into account have been made.
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