Now half of the states prohibit texting while behind the wheel in some form.
Texting while driving is a secondary offense that allows law enforcement officials to ticket drivers if they are pulled over for another offense.
Kentucky became the 23rd state to ban texting for all drivers, following Nebraska last week.
Beginning July 1, texting while driving will be a secondary offense, carrying a $200 fine.
Pilot programs in Hartford and Syracuse will test whether increased law enforcement can get drivers to reduce cell phone use.
Iowa became the 21st state to ban texting April 2 when Gov. Chet Culver signed an anti-texting-while-driving bill into law for all drivers in the state.
For adult drivers, using a handheld cell phone or texting is a secondary offense.
The proposal would impose sanctions on drivers and bar motor carriers from allowing their drivers to text while driving.
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