The details and current status of data requests submitted through the Data Request Help Desk page can be seen here.
TIGER/Line Shapefile, 2011, Series Information Fil...
TIGER/Line Shapefile, 2011, Series Information File for the 2010 nation, 2010 Census Traffic Analysis District (TAD) National Shapefile
data of the TAD
Can’t download the shapefile of the TAD from that page. Also, is there more socio-demographic information based on the TAD? Have emailed the inquirer and the contact for the dataset.
Can you confirm whether this is what you're looking for? ftp://ftp2.census.gov/geo/tiger/TIGER2010/TAD/tl_2011_us_tad10.zip
We'll be sure to follow up with Census to update their broken links, but if you could confirm that this is what you're looking for it'd help.
Is this CTPP data more like what you're seeking? http://www.fhwa.dot.gov/planning/census_issues/ctpp/data_products/acsdataprod.cfm