A ramp is a sloping platform that is used to facilitate the movement of containers from one mode of transportation to another. It is commonly used at the end or beside a railroad track, and is designed to rise to the level of the floor of the rail cars or wagons. This allows for the easy transfer of containers between the platform and the trucks or railway vehicles that transport them. Ramps are an important component of the transportation infrastructure, and play a crucial role in the efficient movement of goods and materials.