For your potential use, I extracted 3 tables from the 2008 ACS data
(released by the Census Bureau yesterday) and saved as .xls file.
Of course, you could have done this yourself, and several of you have
probably already made local data sheets.
They are: C08134: Means of Transportation to Work by Travel Time
B08141: Means of Transportation to work by Vehicles
Available
C08301: Means of Transportation to work (univariate)
I used the data download feature
http://factfinder.census.gov/servlet/DownloadDatasetServlet?_lang=en
For more information about the ACS Table List, please go here:
http://www.census.gov/acs/www/Products/users_guide/index.htm
Please be aware that not all Metro Areas will have data available for
each table, since the coefficient of variation (CoV) is checked before
release.
When the table number starts with "C" it means it is the collapsed
version. Therefore, you can use the "B" table instead with more
categories, by going back into American FactFinder, or the Data Download
Center.
For each cell, there is an ESTIMATE and a MOE (Margin of Error). The
MOE cell does NOT include "+/-" in the cell value (Hurrah!).
As a reminder, FHWA prepared transportation profile sheets using Census
2000, CTPP2000 and the 2005-2007 ACS results which are posted on the
CTPP AASHTO webpage
http://ctpp.transportation.org/profiles_2005-2007/ctpp_profiles.html
These profiles include State, County and Place, and do NOT include
Metropolitan Area totals. Because they use an accumulation of three
years of ACS, the population threshold is 20,000 and therefore, more
geographic areas are available.
We are not planning to update these profile sheets when the next 3-year
ACS (2006-2007-2008) data are released.
Elaine Murakami
FHWA Office of Planning