Get assertive about cycling with these resources.
Infographics, bike laws by state, and training:
CyclingSavvy
Free online tutorials and book:
Bicycling Street Smarts
by John Allen
Effective Cycling
($39.95, 7th edition, MIT Press, 2012) by John Forester
CycleCraft
($32.99, US edition, The Stationery Office, 2009) by John Franklin
Trends and advocacy support: The Alliance for Biking and Walking
