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A box junction is a road traffic control measure designed to prevent gridlock at busy junctions. It is marked with a large yellow box with diagonal lines and is typically found at large intersections and other areas with heavy traffic.
The purpose of a box junction is to ensure that the intersection remains clear for the passage of emergency vehicles and other traffic. Drivers can only enter the box junction if their exit is clear, even if the traffic signal shows a green light.
If a driver enters a box junction when their exit is not clear. In that case, they may cause congestion and block the intersection, which can be dangerous for other drivers, pedestrians, and emergency vehicles.
Therefore, it is important to follow the rules of the box junction and only enter when your exit is clear, even if it means waiting for a few seconds at the entrance.
