A flashing amber light means approach the lock at a safe speed and under full control.
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.
A flashing green light in Canada indicates that a pedestrian has pushed the button to cross the street, and drivers should yield to pedestrians.
Green
Cleared to cross
unknown
When approaching a flashing green light in Canada, drivers should proceed with caution and yield to pedestrians and other vehicles as necessary.
Cleared to cross
lp
A flashing green light on the AC switch of the 2001 Montero indicates there is a situation that requires attention within the cooling system. The issue could be as minor as a loose connection to an outright system failure.
Have a similar problem with my forester 1999.
They say that one way to determine whether is a green light is "stale" is by the flashing pedestrian "do not walk" sign. Not all intersections even have a walk or do not walk sign. Also, I have driven through intersections with flashing do not walk signs and the light remained green. The previous answer was a poor one.