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/alcoholanddrugs.html

DUI Magazine
- Law firm sponsored articles for drunk driving defendants.
- http://www.duimagazinelosangeles.com

U.S. Federal Aviation Administration
- Rules, regulations, and programs, relating to drunk driving offenses by pilots.
- http://www.faa.gov/about/office_org/headquarters_offices/ash/ash_programs/investigations/airmen_duidwi/

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

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

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

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

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

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

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

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

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

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

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

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/

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/

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

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/

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

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/

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