Primary texting bans associated with lower traffic fatalities, study finds

States that allow officers to pull over a driver for texting while driving saw fewer deaths than those that use secondary enforcement of texting bans. Some states have banned all drivers from texting while driving, while others have banned only young drivers. Also, some states' texting bans entail secondary enforcement, meaning an officer must have another reason to stop a vehicle, like speeding or running a red light, before citing a driver for texting while driving. These differences appear to...