International transport

navigation rules to be followed by ships and other vessels at sea to prevent collisions between two or more vessels

passages of passengers and cargo across the Atlantic Ocean

thumb|300px|right|The German and part of the Danish railway line thumb|300 px|right|Ferry at Puttgarden. Trains and cars are loaded by the lower ramp, cars only by the upper ramp. The ' (German) or ' (Danish) is a transport corridor between Copenhagen, Denmark, and Hamburg, Germany.

1978 admirality law convention