Route ReleasingThe release of Route Locking. See also Sectional Route Release. designed to releaseThe removal of Locking on a function, for example, the removal of Route Locking or the unlocking of a function such as a Ground Frame. sequentially, usually one track sectionA portion of railway track having fixed boundaries and for which the Train Detection System provides information on its state of occupancy to the Signalling Sys...
at a time behind the train.