Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
MAAMoving 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.
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MaintenanceSection 82(5) of the Railways Act 1993 provides that, in that section, “maintenance” includes the detection and rectification of any faults.
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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.
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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.
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MHSWR
Management of the Health and Safety at Work Regulations
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MIPManagement incentive plan
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