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Concepts and definitions


A car is a car without own engine attached to a train intended for the transport of either persons or goods by rail.

Gross tonne-kilometres

Total gross weight of the locomotive and the carrying stock of a train in tonnes X corresponding train-kilometres.

Gross tonne-kilometres hauled

Gross weight of the carrying stock of a train in tonnes X corresponding train-kilometres.

Length of line

Total length of main and secondary lines excluding sidings.


A railway vehicle with own engine for traction and pushing of trains.


Distance of one kilometre covered by the locomotive.

Passenger transport performance

Total number of kilometres covered by passengers during a specific unit of time, usually one year. Unit passenger-kilometre.


A passenger-kilometre is a measurement unit describing the passenger carrying performance of some means of transport such as a passenger car, coach, train, boat, aircraft or any transport vehicle suited for the transporting of passengers. Two persons travelling five kilometres on board a vehicle generate ten passenger-kilometres. Transport kilometres multiplied by average number of passengers.


A railway that can consist of one or more tracks.


A railway line intended for a railway vehicle consisting of a pair of rails.

Track length

Total length of main and secondary tracks including sidings.


A train is a railway vehicle with a locomotive and a varying number of cars.


Distance of one kilometer covered by the train.


Number of axles of the vehicle of a train X corresponding train-kilometres.

Referencing instructions:

Official Statistics of Finland (OSF): Railway Statistics [e-publication].
ISSN=2670-3351. Helsinki: Statistics Finland [referred: 17.4.2024].
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