What must a driver do when approaching an intersection with a box junction?

Answer: B — Wait for the road to clear

When approaching an intersection with a box junction, the driver must wait for the road to clear before entering the intersection. This is essential because a box junction is designed to prevent vehicles from blocking the intersection, ensuring that traffic can flow smoothly in all directions. The marking indicates that you should not stop in the area unless your exit is clear, even if the lights change. This rule is in place to enhance safety and improve traffic efficiency. Vehicles should ideally only enter the box junction when they can clear it without stopping, allowing other vehicles to move freely. This prevents congestion and potential accidents at the junction. In contrast, speeding through the intersection is dangerous and illegal as it disregards the rules set for safe driving. Ignoring the box marking ignores the traffic regulations designed to aid in safe navigation through busy intersections. Signaling before entering might be courteous and necessary to communicate intentions to other road users, but it does not address the primary rule regarding the use of the box junction itself. Therefore, waiting for the road to clear is the correct action to take in these situations.