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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  • M

  • MAA

    Moving annual average: the mean value (in this report of 13 four-weekly business reporting periods) of a year’s worth of values. This value is then updated progressively, to give a moving representation of the average value over the latest available 13 periods.

  • Maintenance

    Section 82(5) of the Railways Act 1993 provides that, in that section, “maintenance” includes the detection and rectification of any faults.

  • Major project

    Any engineering, maintenance or renewal project which requires a possession of one or more sections of track extending over one year, or a period which contains two or more Passenger change dates.

  • Major project notice

    Notice of engineering works given by Network Rail that involve a possession (taking control of a part of the network) in relation to a Major project.

  • MHSWR

    Management of Health and Safety at Work Regulations

  • MIP

    Management incentive plan