A flashing amber light means approach the lock at a safe speed and under full control.
If there are pedestrians still crossing when the amber light is flashing, the motorist must remain stationary. If there are no pedestrians crossing, the motorist can proceed. (But, be careful of pedestrians taking a chance and attempting to cross when the amber light is flashing - it is best to use caution until the light turns green.)
Flashing amber light means slow down, watch for potential dangers. Flashing red means stop; proceed if and when it is safe.
A red light - steady or flashing - means STOP. A steady amber light means Caution - signal about to change. A flashing amber light means SLOW DOWN.
You must stop
When approaching a flashing amber traffic light, you should reduce your speed and prepare to yield to any oncoming traffic or pedestrians. The flashing amber light indicates that you should proceed with caution, but it does not mean you have to stop. Ensure the intersection is clear before continuing through. Always be vigilant and ready to stop if necessary.
it means there is a pedestrian crossing
If they have a green flashing light on top of their car, then they are a Doctor, and have as much priority as a regular emergency vehicle.
Amber flashing light.
A flashing green light in Canada indicates that a pedestrian has pushed the button to cross the street, and drivers should yield to pedestrians.
Amber
Green