The application of railway signals on a rail layout is determined by various factors, principally the location of points of potential conflict, as well...

addition of distant signals on the approach to stop signals. The distant signal gave the driver warning that they were approaching a signal which might...

following means of signalling are used: Signal flags Hand-held signal lamps Signal whistle Arm signals Fixed light signals Fixed sound signals Signal signs Orientation...

operation. On most modern railways, colour light signals have largely replaced mechanical ones. Colour light signals have the advantage of displaying the same...

Railway semaphore signal is one of the earliest forms of fixed railway signals. This semaphore system involves signals that display their different indications...

Japanese railway signals, according to the ministerial decree defining technical standards of railways (鉄道に関する技術上の基準を定める省令, Tetsudō ni kansuru gijutsu...

north of the railway line. When the full length of the runway is open, a vertical bar of green lights signal to the aircraft, with regular rail signals on...

The railway signalling system used across the majority of the United Kingdom rail network uses lineside signals to control the movement and speed of trains...

Railway signals in Germany are regulated by the Eisenbahn-Signalordnung (ESO, railway signalling rules). There are several signalling systems in use,...

to railway operations and must be minimized. Track circuits allow railway signalling systems to operate semi-automatically, by displaying signals for...

in computer science Bidirectional railway signalling; see Application of railway signals#Bidirectional signalling Bidirectional learning/process refers...

UK Board of Trade Railway Inspectorate recommended that the signals controlling entry to the single line section (starting or section signals) were locked...

rail transport system, signalling control is the process by which control is exercised over train movements by way of railway signals and block systems to...

used in railway signalling to detect the clear or occupied status of a section of track between two points. The system generally consists of a wheel sensor...

Level crossing signals are electronic warning devices for road vehicles at railroad level crossings. Level crossings can be operated in various ways....

driver has almost no time to acknowledge trackside signals. Although the ATC system sends AF signals carrying information about the speed limit for the...

button on the cab signal display. North American railroad signals Railway signalling Elements of Railway Signaling. General Railway Signal Company. June 1979...

was spurred by the Harmelen train disaster of 1962. ATB operates by the train collecting electrical signals from line-side apparatus and will override...

Dutch railway signalling system operated by ProRail has been in effect since 1954 on the Dutch Railways network. It was designed to be one of the simplest...

remained mechanical signals, as well as old colour light signals. Semi-automatic is the most important type of signal on Polish railways. Its name reflects...

signals do not have a number plate, but can display an explicit "restricted proceed"-type signal. Other types of signals include train order signals,...

Some signals are specific to manoeuvres. These include various types of signals: Hand signals, Mechanical signals, Lights, Acoustic signals Signal board...

Signalling block systems enable the safe and efficient operation of railways by preventing collisions between trains. The basic principle is that a track...

History General Signal Building in Buffalo Union Switch and Signal, the other major US railway signaling company. North American railroad signals "A Centennnial:...

check that the speed of a train is compatible with the permitted speed allowed by signalling, including automatic stop at certain signal aspects. If it is...

of the Railways (Railways Ordinance, RailO). Swiss light signals are divided into two classes, recognizable by the difference in shape of the signal:...

kinds of beacons. Balises are used in the KVB signalling system installed on main lines of the French railway network, other than the high-speed Lignes à...

that consists of a series of signals that divide a railway line into a series of sections, called blocks. The system controls the movement of trains between...

different signals. To cater for this situation one signal would be nominated the ‘normal direction’ and fitted with ‘ND’ equipment. The other signal would...

Safety and Standards Board. March 2018. p. 10. "Master Rulebook: Signals, hand signals, indicators and signs handbook. Section 7.2 "Warning indicators""...