The Riverside County board of supervisors established speed limits on five roads in unincorporated Murrieta and Winchester.A 4-0 board of supervisors vote Oct. 1, with Karen Spiegel absent, approved a 40 mph speed limit for Calistoga Drive in unincorporated Murrieta from Murrieta Hot Springs to the intersection with Richmond Way and Greenhaven Way, a 40 mph speed limit for Promontory Parkway in Murrieta from the intersection with Richmond Way and Greenhaven Way to Pourroy Road, a 40 mph speed limit for Whisper Heights Parkway in Winchester between Elliot Road and the intersection with state Route 79 and Winchester Road, a 35 mph speed limit on Elliot Road in Winchester between Jean Nicholas Road and Pat Road, and a 35 mph speed limit on Pat Road in Winchester between Elliot Road and Po
