What should you do if traffic signals are not functioning?

When traffic signals are not functioning, treating the intersection as a four-way stop is the correct action to take. This means that all vehicles approaching the intersection must come to a complete stop, and then yield to any vehicles that arrived before them or to vehicles on their right if they arrive simultaneously. This system helps to provide clarity and safety at an intersection where the usual traffic signals are not guiding the flow.

In scenarios where signals are down, approaching drivers may have different assumptions about right of way, which could lead to confusion and potential accidents. By following the four-way stop rule, it promotes predictable behavior from all drivers, ultimately enhancing safety in that situation.

Other options might lead to dangerous situations. For instance, continuing to drive without stopping would ignore the potential for collisions, while simply slowing down but not stopping could yield similar dangers. Calling the police for assistance might be necessary in severe cases, but for the immediate action at a non-functioning signal, adhering to the four-way stop procedure is the most appropriate and safest choice.