A grade crossing is a location where a road and a railway track intersect at the same level. These crossings allow vehicles and pedestrians to cross the tracks safely, but they can also pose risks if not properly managed. Signs, signals, and gates are often used to alert drivers and walkers when a train is approaching. In many countries, grade crossings are equipped with safety features like flashing lights and bells to warn of oncoming trains. Proper maintenance and awareness are crucial to prevent accidents at these crossings, making them an important aspect of transportation safety involving both trains and vehicles.