Ian's Cycling Pages - personal cycling routes and information in Silicon Valley by Ian Kluft - http://www.kluft.com/~ikluft/cycling/
Silicon Valley Bicycle Coalition - A bicycle advocacy group improving the bicycling environment in Silicon Valley. Provides a forum for bicyclists to organize and discuss their concerns. Also works with local governments on bicycle projects. - http://www.svbcbikes.org/
Bay Area Biking - personal cycling routes and information in and near Silicon Valley by Ron Horii - http://pages.prodigy.net/rhorii/baybike.htm