Promotes bicycling for fun, fitness, and affordable transportation; advocates for better bicycling conditions and transportation choices for a healthier environment; and educates children, adults, and motorists about safe bicycling. Provides classes; seminars; bicycling and trail maps for Maryland, Virginia, and D.C. online or in print; and information on safe bicycling, bike laws, commuter assistance, biking for families and children and other topics.