Glossary

Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
 

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  • U

  • UITP

    International Association of Public Transport

  • Use period

    A period of time determined by the ORR in relation to the Failure to use mechanism.

  • Use quota

    A quota determined by the ORR in relation to the Failure to use mechanism.