Caltrans Authorized materials List:  http://www.dot.ca.gov/aml/

Caltrans Qualified Products List:  http://www.dot.ca.gov/trafficops/tech/docs/tees_qpl.pdf

California MUTCD: http://www.dot.ca.gov/trafficops/camutcd/

Office of Traffic Safety Available Grants:  http://www.ots.ca.gov/Grants/default.asp

National Center for Safe Routes to Schools:  http://www.saferoutesinfo.org/