http://www.nhtsa.gov/staticfiles/nti/pdf/812117-Drug_and_Alcohol_Crash_Risk.pdf
Tries to measure the severity of drug-impaired driving problems. Finds that marijuana users are more likely to be involved in traffic crashes but such users are more likely to be young men, a group already at high risk for accidents. From the National Highway Traffic Safety Administration
http://www.nhtsa.gov/staticfiles/nti/pdf/812118-Roadside_Survey_2014.pdf
Reveals a decreasing trend in alcohol-impaired driving from the first survey in 1973 to the most recent in 2013-14. Also discusses trends in the use of over-the-counter, prescription, and illegal drugs by drivers. Expresses concern about the number of drivers affected by marijuana use. From the National Highway Traffic Safety Administration
http://www.cdc.gov/nchs/data/databriefs/db185.pdf
Describes the rates and characteristics of hospital emergency department visits for motor vehicle traffic injuries during 2010-2011. The highest injury rates were among those aged 16-24 years.
From the National Center for Health Statistics
http://www.rita.dot.gov/bts/bts/sites/rita.dot.gov.bts/files/Pocket%20Guide%202015.pdf
A collection of statistics that provides key information and highlights major trends in the U.S. transportation system. Covers infrastructure, moving people and goods, economic issues, safety, and the environment. From the Bureau of Transportation Statistics
http://www.nhtsa.gov/About+NHTSA/Press+Releases/2014/traffic-deaths-decline-in-2013
Agency press release on sharp drop in highway traffic fatalities with link to final 2013 Fatality Analysis Reporting System data on fatal traffic crashes within the 50 states, DC, and Puerto Rico. From the National Highway Traffic Safety Administration
A statistical profile of transportation in the 50 states and DC. Covers freight movement, passenger travel, registered vehicles and miles traveled, safety, infrastructure, energy, and environmental topics. From the Bureau of Transportation Statistics
http://fas.org/sgp/crs/misc/R43651.pdf
Explains what event data recorders are, government mandates that EDRs be included in vehicles, and controversies relating to their use. From the Congressional Research Service, posted by the Federation of American Scientists
Latest quarterly update to the database. Features 44 updated tables in the set of more than 260 tables. From the Bureau of Transportation Statistics