City and County Bike Maps

http://svbcbikes.org/resources/maps has a list of local bike maps
Santa Clara Valley Bikeways Map from Valley Transit Authority (VTA)
Pedestrian Pathways and Bikeways (JPG, 416 KB) from Stanford University Community Plan
511.org Bike Mapper - an interactive mapping tool that displays Class I, II and III bikeways in the nine-county Bay Area.
Google Maps - Map your biking or walking route.