Decius wrote:

The law, which specifically prohibits the use of an electronic wireless communications device to write, send, or read a text-based communication while operating a more vehicle, takes effect Jan. 1.

Will they also ban reading maps and reading GPS units while stopped at a red light?

GPS units at least, tend to be on the dash. Texting in the car IS dangerous, even at stop lights. You need your mind on the road.

RE: California bans READING text messages while stopped at a red light!