HB 1421 -- Protection of Highway Workers Sponsor: St. Onge This bill specifies that any person who commits the offense of endangerment of a highway worker will be guilty of involuntary manslaughter in the first degree if in doing so, the person acts with criminal negligence to cause the death of any highway worker while the worker is performing work in a construction or work zone. The crime of assault of a law enforcement officer, emergency personnel, or probation and parole officer in the first, second, or third degree is expanded to include a highway worker in a construction or work zone.Copyright (c) Missouri House of Representatives