Emergencies: Dial 9-1-1 (24 hours/7 days)
Non-Emergency/Business: (909) 869-3070
TDD (909) 869-3113

Traffic Information 

For real-time traffic information:

SIGALERT.com
http://www.sigalert.com/map.asp?Region=Greater+Los+Angeles

TANN Travel Advisory News Network
http://traffic.tann.net/lartraffic/

CHP Traffic Incident Information
http://cad.chp.ca.gov