Title from PDF title screen (NHTSA, viewed June 30, 2010).
"December 2009."
Bibliography
Includes bibliographical references (p. 115-119).
Note
"DOT HS 811 249."
Funding
Performed by Pacific Institute for Research and Evaluation, sponsored by National Highway Traffic Safety Administration Office of Behavioral Safety Research under contract no. DTNH22-06-C-00040