When approaching a railroad crossing, what should a commercial driver do?

Answer: B — Slow down, look both ways, and be prepared to stop if necessary

When approaching a railroad crossing, a commercial driver should slow down, look both ways, and be prepared to stop if necessary. This approach is crucial for ensuring safety, as it allows the driver to assess the situation fully. Railroads are often marked with warning signs and signals, but it is a driver's responsibility to verify that no trains are approaching before proceeding. Slowing down gives the driver time to react appropriately, while looking both ways ensures visibility of any oncoming trains, which may not always be immediately evident. Being prepared to stop is essential since train speeds can be deceptive, and it is vital to recognize that trains cannot stop quickly. This practice aligns with the principles of defensive driving, allowing for safer crossings and helping to prevent accidents.