colour-light signals using track circuit – or axle counter – block signalling. It is a development of the original absolute block signalling that is still...

Railway signalling (BE), or railroad signaling (AE), is a system used to control the movement of railway traffic. Trains move on fixed rails, making them...

Britannica. "Main Signals". www.railsigns.uk. Solomon, p. 19 Calvert, J.B. "The Origin of the Railway Semaphore." Railways: History, Signalling, Engineering...

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...

In railway signalling, a token is a physical object which a train driver is required to have or see before entering onto a particular section of single...

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

Mechanical signalling in all States followed British practice using route signalling with slight differences between States. The basic running signal was the...

the UK route signalling system for junctions. However, as signalling has advanced to meet the requirements of the system, progressive speed signalling is...

signalling. Signalling in the UK uses route signalling. Most railway systems around the world, however, use speed signalling. Under route signalling,...

The current French railway signalling system is in force on the Réseau Ferré de France (now SNCF Réseau) since 1930, when the code Verlant was applied...

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

demonstrating that race conditions can occur in mammal brains as well. In UK railway signalling, a race condition would arise in the carrying out of Rule 55. According...

Institution of Railway Signal Engineers (IRSE) is a worldwide professional body for all those engaged or interested in railway signalling and telecommunications...

Automatic block signaling (ABS), spelled automatic block signalling or called track circuit block (TCB) in the UK, is a railroad communications system...

Absolute block signalling is a British signalling block system designed to ensure the safe operation of a railway by allowing only one train to occupy...

lines, in-cab signalling, new inter-city trains and new high-speed lines. According to historians David Brandon and Alan Brooke, the railways brought into...

has period signalling, locomotives and rolling stock. The GCR is currently the only double track standard gauge mainline heritage railway in the world...

engineering Railway signalling Fare collection CCTV Public address Intrusion detection Access control Systems integration In the UK: The Railway Division...

before passing a signal at danger. Presently, In the UK, only a small percentage of trains (Great Western Railway and Chiltern Railways) are fitted with...

background (or black on yellow for temporary signs) is displayed in UK railway signalling as a "cancelling indicator" for the Automatic Warning System (AWS)...

intersection where a railway line crosses a road, path, or (in rare situations) airport runway, at the same level, as opposed to the railway line crossing over...

operational signalling and lengthen the up platform to accommodate longer and more frequent train services was completed in 2010. The signalling is operated...

information than traditional signalling systems would allow, including track gradient profiles and information about the state of signalling blocks further ahead...

2000 (S.I.Tooltip Statutory Instrument (UK) 2000/1674) in six railway TSI areas: Control Command and Signalling, Energy, Infrastructure, Maintenance, Operations...

infrastructure works the railway is restoring the former goods yard, giving much-needed siding space, and putting back full signalling with both semaphore...

September 2011. Signalling in the Age of Steam, Michael A. Vanns, p.45. Signalling in the Age of Steam, Michael A. Vanns, p.33. Signalling in the Age of...

end at selected stations. On signalling-based systems, blocks usually start and end at signals. Alternatively, cab signalling may be in use. The lengths...

In railway signalling, a moving block is a signalling block system where the blocks are defined in real time by computers as safe zones around each train...

stock. A historic signal box assisted by a grant from the Railway Heritage Trust is installed at Medstead. It provides a hands-on signalling experience for...

enclosed workspace known as a signal box, signal cabin or interlocking tower. The principles of British-style railway signalling have changed little since...