Information for Parents, Students, and Community Members Information for Schools and Teachers Frequent Questions About School Buses Traffic Safety Around Buses MSAD/MSAB Video, Film, and Software Resources School Bus Driver Stamp Project From the Past NEWS! Links The Carpenter Bus Problem Employment Opportunities Vehicles For Sale Contact Us Home > Information for Parents, Students, and Community Members > Transportation Safety > Contractor Safety Requirements > Driver Safety Requirements > Driver Training  Print View Training in Function and Purpose of Traffic Priority Control Systems 251. Training in Function and Purpose of Traffic Priority Control Systems Each contractor shall provide training to all drivers operating under this contract in the purpose and function of the 3M Opticom™ traffic control system, which is an emergency vehicle preemption system installed on all traffic signals by the City of Saint Paul. This training shall include the proper action for the driver to take when the Opticom™ system is activated by an emergency vehicle on a cross street.