California Governor Arnold Schwarzenegger has signed a law making it illegal to read or send text messages while driving in California.
The bill imposes a 20 dollar fine for a first offence and 50 dollars for repeat offenders using any electronic devices to read or send messages, starting next year.
Schwarzenegger says the law he signed Wednesday encourages drivers to keep their hands on the wheel and their eyes on the road.
California motorists using cell phones have been required to use hands-free devices since July, and drivers under age 18 can't use any electronic devices.
Seven other states and the District of Columbia ban text-messaging or the use of hand-held phones while driving.
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