GAO: Highway Safety: Further Opportunities Exist to Improve Data on Crashes Involving Commercial Motor Vehicles.
 

Highway Safety: Further Opportunities Exist to Improve Data on Crashes
Involving Commercial Motor Vehicles. GAO-06-102, November 18.
http://www.gao.gov/cgi-bin/getrpt?GAO-06-102

Highway Safety: Improved Monitoring and Oversight of Traffic Safety
Data Program Is Needed. GAO-05-24, November 4. [Originally posted
November 4. Reposted to correct Figure 9]
http://www.gao.gov/cgi-bin/getrpt?GAO-05-24

Highway Safety: Improved Monitoring and Oversight of Traffic Safety
Data Program Is Needed. GAO-05-24, November 4.
http://www.gao.gov/cgi-bin/getrpt?GAO-05-24

Highway Safety: Federal and State Efforts to Address Rural Road Safety
Challenges. GAO-04-663, May 28.
http://www.gao.gov/cgi-bin/getrpt?GAO-04-663

Highway Safety: Factors Contributing to Traffic Crashes and NHTSA's
Efforts to Address Them, by Peter F. Guerrero, director, physical
infrastructure, before the Subcommittee on Competition, Foreign
Commerce, and Infrastructure, Senate Committee on Commerce, Science,
and Transportation. GAO-03-730T, May 22.
http://www.gao.gov/cgi-bin/getrpt?GAO-03-730T

Highway Safety: Better Guidance Could Improve Oversight of State
Highway Safety Programs. GAO-03-474, April 21.
http://www.gao.gov/cgi-bin/getrpt?GAO-03-474

Highway Safety: Research Continues on a Variety of Factors That
Contribute to Motor Vehicle Crashes. GAO-03-436, March 31.
http://www.gao.gov/cgi-bin/getrpt?GAO-03-436