train control relay
11NSI-63 — is a railway signaling system used for interlocking on the Norwegian railway network. It is based on relays and was developed by Norsk Signal Industri for the Norwegian State Railways (NSB) during the early 1960s. The systems are installed at… …
12New York City Subway — Top: A number 4 train made up of R142 …
13Metropolitan Atlanta Rapid Transit Authority — MARTA redirects here. For the county bus system in California, see Mountain Area Regional Transit Authority. Metropolitan Atlanta Rapid Transit Authority …
14BMT Canarsie Line automation — The New York Metropolitan Transportation Authority (MTA) has plans to upgrade the entire New York City Subway system with communication based train control (CBTC) technology, that will control the speed and starting and stopping of subway trains …
15UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… …
16Orange Empire Railway Museum — The museum entrance The Orange Empire Railway Museum (OERM, reporting mark OERX[1]), 2201 South A Street, Perris, California, is a railroad museum founded in 1956 at the Pinacate Station as the Orange Empire Trolley Museum …
17Glossary of contract bridge terms — These terms are used in Contract bridge[1][2] , or the earlier game Auction bridge, using duplicate or rubber scoring. Some of them are also used in Whist, Bid whist, and other trick taking games. This glossary supplements the Glossary of card… …
18Interlocking — 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… …
19Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… …
20Railway switching networks — General PurposeRailway centralization is designed for controlling all the switches and signals within a railway station or its area. Control of the system is exercised from a single point. Rail circuits work as sensors (monitoring the traffic on… …
