'Round here (rural SW WA), school buses flash red lights and all traffic in
both directions must stop. The lights don't turn off until the kidlets are all safely across the street.
Smart idea, and it works.
But because this is ruralville, there are no "bus stops."
School buses stop at each kid's driveway along narrow, winding country roads. Passing a stopped/flashing school bus is
strictly verboten.
Traveling
anywhere is not recommended during kid pick-up/delivery time.