National College For DUI Defense, Inc.  
   Providing legal training and information for drunk driving defense attorneys and accused drunk drivers.
   http://www.ncdd.com/

Lawrence Taylor - Drunk Driving Law Center  
   Attorney site providing information for attorneys and the public on California's drunk driving laws, science, and police procedures.
   http://www.duicenter.com/

Marbella-Lawyers.com  
   Guide to drunk driving laws in Spain.
   http://www.marbella-lawyers.com/DrunkDriving.shtml

National Highway Traffic Safety Administration - Detecting Drunk Drivers  
   Description of visual cues to drunk driving, from USDOT's DWI Detection Guide.
   http://www.nhtsa.dot.gov/people/injury/alcohol/dwi/dwihtml/

Bose Law Firm  
   Information on Virginia drunk driving and traffic laws.
   http://www.vatrafficlaw.com/

Century Council - National Hardcore Drunk Driver Project  
   Information and links for drunk driving law enforcement, prosecution, prevention and alcoholism treatment, sponsored by an organization of distillers.
   http://www.dwidata.org/

Whats Driving You?  
   Information about alcohol, drinking and driving, and ways to think about behaviors associated with drinking, with summaries of drunk driving and 'zero tolerance' laws by state, from Intervention Instruction, Inc.
   http://www.whatsdrivingyou.org/

Moore, Gunter & Barrett  
   Law firm site providing legal information on driving while intoxicated in Texas.
   http://www.dallas-dwi-lawyer.com/

Loring N. Spolter - FLDUI.com  
   Information concerning laws and law enforcement, from a Florida attorney.
   http://www.fldui.com/

U.S. Federal Aviation Administration  
   Rules, regulations, and programs, relating to drunk driving offenses by pilots.
   http://asi.faa.gov/duidwi/index.html

National Highway Traffic Safety Administration - Highway Safety Desk Book  
   The officer's guide to DUI detection and investigation.
   http://www.nhtsa.dot.gov/people/injury/enforce/deskbk.html

Police Notebook - BAC Calculator  
   Facts about alcohol consumption, a blood-alcohol chart and online calculator, provided by the Oklahoma University Police Department.
   http://www.ou.edu/oupd/bac.htm

National Highway Traffic Safety Administration - Sobriety Checkpoints.  
   State-by-state summary of laws and cases permitting or prohibiting DUI checkpoints and/or saturation patrols.
   http://www.nhtsa.dot.gov/people/injury/alcohol/SobrietyCheck/caselaw.html

National Center for Injury Prevention and Control - Impaired Driving Studies.  
   Injury fact sheet on alcohol-related motor vehicle accidents.
   http://www.cdc.gov/ncipc/factsheets/drving.htm

Thomas Anelli - NYSDWI.com  
   Summary of New York's drunk driving laws, from an attorney.
   http://www.nysdwi.com

National Highway Traffic Safety Administration - On DWI Laws in Other Countries  
   Comparison of laws in other countries with those in the United States. Includes data about illegal levels of blood alcohol content, sanctions for first and multiple offenses, rehabilitation and regranting of licenses, drivers licensing laws, enforcement p
   http://www.nhtsa.dot.gov/people/injury/research/pub/DWIothercountries/dwiothercountries.html

Transport Canada - Information on Drinking and Driving  
   Includes information from the Canadian government about national, provincial, and territorial laws concerning standards and penalties for driving impaired, as well as information about how the laws are applied.
   http://www.tc.gc.ca/roadsafety/tp/tp1535/menu.htm

Road Traffic Authority, NSW - Drug and Alcohol Offences  
   Information from the government of New South Wales, Australia, primarily about penalties for alcohol-related driving offences.
   http://www.rta.nsw.gov.au/rulesregulations/penalties/serioustrafficoffences/newpenalties.html

Land Transport Safety Authority  
   New Zealand statistics and penalties for drink driving.
   http://www.ltsa.govt.nz/road-user-safety/motorists/drink.html

Intoximeter's Drink Wheel  
   Calculator to approximate blood-alcohol levels.
   http://www.intox.com/wheel/drinkwheel.asp

Impaired Driving On Trial  
   Information about how driving behavior is affected by alcohol and drugs, as well as scientific and evidentiary issues relating to criminal prosecution, from the Indiana Department of Toxicology. Last revised, September 30, 2003.
   http://www.iupui.edu/~iutox/Impaired_Driving/

Cowan, Smith & Kirk  
   Information on Washington State drunk driving laws, penalties and procedures, from a law firm.
   http://dui.cowanlawfirm.com/

Steven Oberman - DUI Network  
   Tennessee drunk driving laws, FAQs and information.
   http://www.duinetwork.com/

American Prosecutor's Research Institute - National Traffic Law Center  
   Drunk driving legal issues, prosecutorial and judicial resources, legal briefs and a newsletter.
   http://www.ndaa-apri.org/apri/programs/traffic/ntlc_home.html

Insurance Institute for Highway Safety  
   Overview of state drunk driving laws and penalties.
   http://www.hwysafety.org/safety%5Ffacts/state_laws/dui.htm

HowStuffWorks - How Breathalyzers Work  
   Examination of the scientific principles and technology behind breath alcohol testing devices.
   http://www.howstuffworks.com/breathalyzer.htm/printable