What should you do when crossing railroad tracks?

Answer: A — Slow down and look both ways

When crossing railroad tracks, it is important to slow down and look both ways to ensure there are no trains coming. This allows you to safely cross the tracks without putting yourself and others in danger. Option B of speeding up and crossing quickly is incorrect because it can lead to collisions with trains that may be approaching. Option C of stopping and honking your horn is also incorrect because this could startle any nearby pedestrians or wildlife and potentially cause a distraction for the train conductor. Option D of putting the car in neutral is also incorrect because it serves no purpose in ensuring safety when crossing railroad tracks. Therefore, the best and safest option is to slow down and look both ways before crossing.