scope:

This document provides terms and definitions for rail networks and rail vehicles guided by track and wheels, both made of steel and/or other materials.

This includes heavy rail and urban rail systems.

This document is applicable as a reference for future European Standards and the revision of existing standards and represents a set of general technical terms and definitions.

This document does not apply to specific applications such as:

- track construction and maintenance machines when not guided and supported by rails;

- road-rail machines when not guided and supported by rails;

- magnetic levitation transport networks and vehicles;

- guided busways and guided busses;

- non-public rail networks and vehicles, e.g. mine rail systems;

- rail networks exclusively for leisure, historical and tourist purposes, e.g. mountain-, field-, park-, cable rail systems, funiculars and theme park rides and the vehicles running on them;

- trolley busses.

Not in the scope are terms and definitions related to:

- control command and signalling;

- operation;

- geographical aspects.