Yes, all traffic in front and behind the Bus are REQUIRED to stop. When a bus has it's sign extended and it's lights are flashing, it is either picking up or dropping off children.
If it's a school bus, whenever the lights are flashing.
Stop
never
Vehicles approaching a school bus with its yellow lights flashing must stop.
Stop until the red lights stops flashing
In California, the fine for passing a school bus that's stopped with flashing red lights is $1000.00
No, you should not pass a school bus with amber lights flashing. Amber lights indicate that the bus is preparing to stop, and drivers should slow down and be prepared to stop as well. Passing a school bus during this warning phase can endanger children getting on or off the bus. Always prioritize safety in school zones.
STOP!!
on a divided highway
You should stop. This is for the safety of the children getting off the bus.
i dont know sorry
Red lights flashing on a school bus mean remain stopped until they are turned off.