Bicycle Helmet Safety Institute [more]
Information on bicycle helmets, standards, and cycling laws; the helmet advocacy program of the Washington (DC) Area Bicyclist Association.
http://www.bhsi.org/

Bicycle Law.com [more]
Legal advice for injured cyclists hurt in traffic accidents or by defective cycling products. Founder Bob Mionske is a cyclist and attorney, and a two time Olympian and former US National Champion.
http://www.bicyclelaw.com/

BicycleSafe.com [more]
An illustrated guide to bicycle safety, including an illustrated guide to how to not get hit by cars.
http://bicyclesafe.com/

Bicycling articles by John Allen (& guests) [more]
Articles on bicycle safety from an expert.
http://www.bikexprt.com/bicycle/index.htm

Bicycling Street Smarts [more]
A compact tutorial on how to ride a bicycle in mixed traffic.
http://www.bikexprt.com/streetsmarts/index.htm

Bicycling: Commuting, Touring, Camping, and Safety [more]
Commuting and safety tips.
http://www.khurramweb.com

eMedicine Health - Bicycle Safety [more]
Consumer health resource center providing bicycle safety information.
http://www.emedicinehealth.com/bicycle_safety/article_em.htm

First Aid for Injured Mountain Bikers [more]
Descriptions and photos of typical mountain bike injuries, with immediate care, assessment, and treatment.
http://www.utahmountainbiking.com/firstaid/

MassBike Bike Laws and Legislation [more]
Links to the bicycle laws for US states and beyond.
http://www.massbike.org/bikelaw/

Melbourne Magpies - Watch Out Cyclists! [more]
Provides details of local locations for cyclists to avoid.
http://www.step-hen.com/magpie.htm

National Bicycle Safety Network [more]
An American coalition of public and private organizations and agencies working together to increase safe bicycle use. Great resource for safety issues, especially traumatic head injury reduction.
http://www.cdc.gov/ncipc/bike/default.htm

Palmetto Cycling Coalition [more]
A non-profit organization dedicated to making South Carolina safe for all cyclists.
http://www.pccsc.net/

ProBicycle [more]
On-road bicycling advocacy.
http://probicycle.com/

Safe Cycling Lessons [more]
Safe cycling tips from the Lawrence Livermore Lab in California (note - applies to U.S. road law).
http://www.llnl.gov/es_and_h/lessons/cycling_e.html

Seidler Productions [more]
Traffic education for kids, public service announcements, links and bicycle safety products.
http://www.seidlerproductions.com