It is illegal to cross the center of the roadway to pass any vehicle within ____ feet of a railroad crossing.

• A. 50 feet
• B. 200 feet
• C. 100 feet
• D. 300 feet

Answer: (C)

Passing within one hundred feet of a railroad crossing is illegal because trains can come suddenly and require a long stopping distance. The area near a crossing is a high-risk zone where you must not be in the process of passing another vehicle, since if a train appears you need enough space to stop safely and avoid being stuck on the tracks. The one hundred‑foot boundary ensures you have adequate clearance to react and clear the crossing before a train arrives.

So, any passing within this distance is prohibited, while passing farther away is judged by whether it’s safe, but the rule uses one hundred feet as the limiting boundary. The closer option would still fall inside the no-passing zone, and the farther options aren’t the boundary described by this rule.