You go inside that space that has the bouy and stay to the port-side of the bouy.
You are traveling upstream on a river at dusk. You see a buoy with the number 4 and a flashing red light. What should you do?
lp
A buoy bearing the number 5 with flashing green lights typically indicates a navigational marker in maritime contexts. It is often used to mark safe channels or indicate the location of a specific hazard, and the green light signifies that vessels should keep the buoy on their starboard (right) side when navigating in a particular direction. These buoys are part of the lateral system of navigation aids, helping mariners safely navigate waterways.
A flashing amber light means approach the lock at a safe speed and under full control.
Keep the buoy on your starboard (right) side.
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.
When going upstream, a buoy with a number 5 and flashing green light indicates the presence of a dam ahead. The dam may be used to generate hydroelectric power or to provide water for irrigation, and can pose a danger to boats and other vessels.
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.