Ramp
Ramps, also known as lead roads, lead roads, slip roads, are engineering terminology, usually refers to a small section of the vehicle to provide access to the main lines (highways, elevated roads, bridges and traffic tunnels, etc.) and adjacent roads, or other main Trunk of the bridge, ramps, lead connection, as well as the distribution channel and other ancillary access road. It is the main traffic that constitutes the road junction. ...