What action should a driver take when approaching a railroad crossing?

When approaching a railroad crossing, the appropriate action is to stop and look for trains. This practice emphasizes the importance of safety when navigating potential hazards like railroad tracks. Stopping allows the driver to assess the situation, ensuring that no trains are approaching before proceeding. It's crucial to remain aware of the surroundings since trains can be loud but may not always be easily visible until they are quite close.

Additionally, while other options may seem relevant, they do not prioritize safety in the same way. Speeding up to cross quickly can be dangerous, as trains can approach unexpectedly. Checking only for flashing lights does not guarantee safety, as trains can be present even when lights are not activated. Sounding the horn might alert other drivers or pedestrians but does not directly ensure that the driver has confirmed the absence of trains. Thus, the best practice is to stop and actively look for trains, ensuring a safe crossing.