Red lights flashing on a school bus mean remain stopped until they are turned off.
You should remain stopped until the bus's red lights are no longer flashing.
The bus stops flashing its red light and (if applicable) withdraws its stop sign.
Stop until the red lights stops flashing
If it's a school bus, whenever the lights are flashing.
STOP!!
In California, the fine for passing a school bus that's stopped with flashing red lights is $1000.00
$250
You stop and wait until the bus turns off their lights and the bus takes off.
Stops flashing
never
Stop
Vehicles approaching a school bus with its yellow lights flashing must stop.