MO HB1721

Prohibits drivers age 21 and younger from sending, reading, or writing text messages or electronic messages while operating a moving motor vehicle on Missouri highways using hand-held electronic wireless communications devices.

Exempts authorized emergency vehicles and drivers using hand-held devices to report illegal activity, summon emergency help, prevent injury, or relay information between transit/for-hire operators and dispatchers (when device is permanently affixed).

Allows all drivers to make or receive telephone calls using hand-held devices while operating a motor vehicle.

Violations are classified as infractions and moving violations subject to point assessment under Missouri traffic law.

State law preempts local ordinances regulating hand-held electronic wireless communications device use in vehicles; exempts parked/stopped vehicles, law enforcement and emergency personnel performing official duties, GPS devices, voice-operated technology, and amateur radio transmitters.