J. A. Hobson. 2001. Impact of Sleeper Berth Usage on Driver Fatigue: Final Project Report. Contract No. DTFH61-96-00068. Federal Highway Administration, Washington, D.C.
FHWA. 2008. Crash Types and Causes. U.S. Department of Transportation, Washington, D.C. http://safety.fhwa.dot.gov/intersections/inter_facts.htm#. Accessed July 9, 2008.
Hanowski, R. J., W. W. Wierwille, S. A. Garness, and T. A. Dingus. 2000. Impact of Local/Short Haul Operations on Driver Fatigue. Draft Final Report, Contract No. DTFH61-96-C-00105. Virginia Tech Transportation Institute, Blacksburg.
Hendricks, D. L., J. C. Fell, and M. Freedman. 2001. The Relative Frequency of Unsafe Driving Acts in Serious Injury Accidents. Veridian Engineering, Buffalo, N.Y.
McGehee, D. V., M. Raby, C. Carney, J. D. Lee, and M. L. Reyes. 2007. Use of Video Feedback in Rural Teen Driving: An Intervention Study. Proc., 2007 Mid-Continent Transportation Research Symposium, Iowa State University, Ames, Aug.
Najm, W. G., and D. Smith. 2007. Definition of a Pre-Crash Scenario Typology for Vehicle Safety Research. Presented at 20th Enhanced Safety of Vehicles Conference: Innovations for Safety: Opportunities and Challenges, Lyons, France, June 18–21, 2007. http://www-nrd.nhtsa.dot.gov/pdf/nrd-01/esv/esv20/07-0412-o.pdf.
NHTSA. 2008. Driver Electronic Device Use in 2007. Traffic Safety Facts Research Note. DOT HS 810 963. U.S. Department of Transportation, Washington, D.C., June.
Sabey, B. E., and G. C. Staughton. 1975. Interacting Roles of Road, Environment, and Road User in Accidents. Presented at 5th International Conference of the International Association for Accident and Traffic Medicine and the 3rd International Conference on Drug Abuse of the International Council on Alcohol and Addiction, London, Sept. 1–5.
TRB. 2003. NCHRP Report 510: Summary Report: Interim Planning for a Future Strategic Highway Research Program. National Academies, Washington, D.C.
TRB. 2005. NCHRP Research Results Digest 296: Comprehensive Human Factors Guidelines for Road Systems. National Academies, Washington, D.C., April. http://onlinepubs.trb.org/Onlinepubs/nchrp/nchrp_rrd_296.pdf.
Treat, J. R., N. S. Tumbas, S. T. McDonald, D. Shinar, R. D. Hume, R. R. Mayer, R. L. Stansifer, and N. J. Castellan. 1979. Tri-Level Study of the Causes of Traffic Accidents: Final Report. Volume I: Causal Factor Tabulations and Assessments. Report No. DOT HS 805 085. U.S. Department of Transportation, Washington, D.C.