interlocking switch
1Interlocking — In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signaling appliances and tracks are sometimes collectively… …
2Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
3Union Switch & Signal — Infobox Company company name = Union Switch and Signal company company type = part of Ansaldo since 1996 foundation = 1881 location city = Pittsburgh location country = Pennsylvania key people = products = Equipment and services for rail… …
4auxiliary switch — noun : an electrical switch actuated by a main device (as a circuit breaker) for signaling or interlocking …
5Interlock (engineering) — Interlocking is a method of preventing undesired states in a state machine, which in a general sense can include any electrical, electronic, or mechanical device or system.In most applications an interlock is a device used to help prevent a… …
6Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
7Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …
8Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …
9Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …
10Battersea Park rail crash (1937) — infobox UK rail accident title= Battersea Park rail crash date= 2 April 1937 location= Battersea Park railway station line = South London Line cause= Signalling error trains= 2 pax= 350 400 deaths= 10 injuries= 7The Battersea Park rail crash… …
