Flagger training. On any given Missouri day there could be up to 300 work zones in operation and proper work zone setup protects construction crews and motorists. Unfortunately, thousands of crashes in work zones have resulted in senseless injuries and fatalities. Learn the best method for protecting your crewmembers when they�re exposed to work zone hazards. Upon completion of this three-hour session participants will; have a thorough understanding of flagging work zone components, MoDOT and MUTCD required personal protective equipment, industry best practice flagging procedures, as well as how to communicate with the other workers. All participants will receive an industry recognized Authorized Flagger Card.