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Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
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T-12The ability of passengers to obtain travel information, make reservations and book tickets in advance is affected by changes to the timetable caused by Network Rail taking possession of lines in order to maintain, renew and enhance the network. Under Condition 2 of its network licence, Network Rail is required to ensure that accurate timetable information is available to train operators at least twelve weeks in advance.
The operation of lifting the track and simultaneously compacting the ballast underneath the sleepers.
TOC on TOCWhere a delayed train service of one train operator delays those of another train operator.
TOCsTrain operating companies: run the (passenger and freight) trains and services on the network. The representative body for the passenger operating companies is the Association of Train Operating Companies (ATOC).
TOPSTotal operations processing system.
Train protection and warning system.