MO HB145

Prohibits drivers age 21 and younger from using hand-held electronic wireless communications devices to make/receive calls or send/read/write text or electronic messages while operating a motor vehicle, unless the device has hands-free technology and is used hands-free.

Exempts authorized emergency vehicles and allows hand-held device use while driving to report illegal activity, summon emergency help, prevent injury to persons or property, or relay information between transit/for-hire operators and dispatchers (if device is permanently affixed to vehicle).

Exempts parked or stopped vehicles, law enforcement officers, fire department members, ambulance operators performing official duties, GPS/digital dispatch systems, voice-operated technology, and amateur radio transmitters from the prohibition.

Classifies violations as infractions and moving violations under point assessment provisions in Missouri law.

Preempts local ordinances and regulations, establishing state-level authority over hand-held wireless device use in motor vehicles.