A hump yard is an artificially elevated area within a classification yard where the force of gravity is used to move rail cars along a network of marshaling tracks. … The release section includes high-speed and intermediate slopes, a braking section, and a sloping switching area.

What are hump yards?

A hump yard is a classification yard where cars are taken to a hump from where they are driven to classification tracks by the force of gravity.

What is a hump track?

Definition of humping track : a yard track for sorting freight cars by humping.