What does it mean if there are no green light flashes at night at a railway crossing?

• A. Trains run less frequently
• B. It indicates danger
• C. There are no active trains
• D. All crossings are open

Answer: (C)

If there are no green light flashes at night at a railway crossing, this indicates that there are no active trains on that track at that moment. The absence of the green light means that the signaling system is not detecting any trains approaching the crossing, which typically allows road vehicles to proceed safely. The green light serves to inform drivers that the crossing is clear; therefore, its absence is an indication of a currently inactive train situation.

The presence of green lights would signify that trains are operating, whereas their absence does not imply danger or a risk for drivers passing through the crossing. It is essential for drivers to pay attention to the signals and understand that no lights suggest it is safe to proceed.