Final answer:
The statement is true; drivers should check for additional trains on other tracks after one train has passed and the signals stop flashing. Traffic signals regulate vehicle speed and pedestrian safety at crossings and intersections.
Step-by-step explanation:
The statement, "After a train clears a crossing that has flashing signals, drivers may proceed after checking for a second train on another track," is indeed true. When approaching a railroad crossing with multiple tracks, even after a train has passed and the signals have stopped flashing, drivers should always exercise caution and check for additional trains on other tracks before proceeding. Many railroad crossings are designed with multiple tracks, and trains can approach from either direction at any time.
In addition to being cautious at train crossings, both drivers and pedestrians must be aware that traffic signals at intersections are meant to control the flow of vehicles and protect pedestrians. Signals force vehicles to slow down and can potentially save lives by preventing accidents. This safety measure is a part of traffic law and personal responsibility for anyone using the road, whether as a driver or a pedestrian.
Therefore, drivers must adhere to the flashing signals at railroad crossings, and once the signals have ceased, they must remain vigilant and look for signs indicating the presence of additional tracks where another train might be approaching. Only after confirming that the tracks are clear and it is safe to do so should a driver proceed across the railroad crossing.