HB 1345 -- Traffic Signal Preemption Systems Sponsor: Ward This bill regulates the use of traffic signal preemption systems which are used to control traffic signals at intersections. The bill allows these devices to be used by: (1) Emergency vehicle operators during an emergency; (2) Authorized bus operators to maintain a longer green light; and (3) Authorized operators in a traffic signal maintenance vehicle in order to facilitate traffic signal maintenance activities. An unauthorized person using the device will be guilty of a class B misdemeanor.Copyright (c) Missouri House of Representatives