What should you do when approaching a railroad crossing in a commercial vehicle?
a.Speed up to cross quickly
b.Slow down and prepare to stop, look and listen for trains
c.Stop only if you see a train coming
d.Honk your horn and proceed
Explanation
When approaching a railroad crossing, you should slow down, look both directions, and listen for approaching trains. Some commercial vehicles are required by law to stop at all railroad crossings regardless of whether signals are active.