My question involves a traffic ticket from the state of: California
I turned left exiting a shopping center parking lot onto a 4 lane street with a painted center divider. At the driveway exit from the shopping center there was a posted sign "Right Turn Only" which I assumed was placed there by the shopping center in an attempt to avoid traffic backing up into their parking lot during heavy traffic periods. Investigating the origin and source of the sign, I have discovered that this sign format has been deleted in the current MUTCD dated 1/21/2010 replacing the English Language sign with a sign with a right arrow graphic -- R11(CA) is replaced by R3-5R, although there is no target compliance date. Is this sufficient to argue reasonable doubt as to the requirement to comply? BTW, I was visiting California still driving on out of state license (NY) and therefore not familiar with CA traffic regulations.