Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
Failure to Use
A provision of part J of the Network Code which deals with a TOC’s failure to use Quantum Firm Rights (see below). A Failure to Use occurs if a TOC fails to secure one or more Train Slots in respect of its Quantum Firm Rights or a TOC fails to use a train slot included in the Working Timetable (see below) and which relates to a Quantum Firm Right.
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Failure to Use notices
A notice issued by ORR if it considers that there is a Failure to Use by a TOC. The notice details certain rights which the TOC is required to surrender in relation to its Failure to Use.
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FEI
The FEI tracks changes in Network Rail’s operating, maintenance and plain-line track renewal expenditure normalised to take account of changes in the volume of work required.
Total maintenance expenditure is “normalised” for the change in equated track miles (a measure of track type, length, traffic tonnage and speed). Plain-line track renewals expenditure is normalised for changes in the volume of track renewed.
Network Rail has changed the basis for calculating the FEI between 2004-05 and 2005-06 therefore any year-on-year comparisons should be treated with caution.
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FOC on (T-F)OCWhere a delayed freight train service delays another train or freight operator.
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FOCsFreight train operating companies. There are four in the UK: three general freight hauliers and one specialising in nuclear waste transport.
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