A lane meter (or lanes in meters) is a unit of
deck area in
roll-on/roll-off
Roll-on/roll-off (RORO or ro-ro) ships are cargo ships designed to carry wheeled cargo, such as cars, motorcycles, trucks, semi-trailer trucks, buses, Trailer (vehicle), trailers, and railroad cars, that are driven on and off the ship on their ...
ships,
cargo vessels where containers or other cargo, including
ferried vehicles, can be rolled or driven on and off. A lane meter is defined as a strip of deck one meter long. A lane is conventionally 2 meters wide, so that a lane meter is equivalent to .
The rule of thumb is that a car on a car ferry will need 6 lane meters, and a European
semitrailer
A semi-trailer is a trailer without a front axle. The combination of a semi-trailer and a tractor truck is called a ''semi-trailer truck'' (also known simply as a "semi-trailer", "tractor trailer", or "semi" in the United States).
A large pro ...
18 lane meters.
References
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Units of area