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The signal's aspect is based on a combination of the aspects each individual head displays. Where a signal has multiple heads, aspects are read from top to bottom and are described as "X over Y over Z". Dwarf signals are smaller signals used in low-speed or restricted-clearance areas. Most signaling aspect systems have a parallel set of aspects ...
Railway signal in Ploiești West railway station, Romania. This type of signal is based on the German Ks signals. The signal head is the portion of a colour light signal which displays the aspects. To display a larger number of indications, a single signal might have multiple signal heads.
The first reached by a train is known as the home signal. The last stop signal, known as the starting or section signal, is usually located past the points etc. and controls entry to the block section ahead. The distance between the home and starting signals is usually quite short (typically a few hundred yards), and allows a train to wait for ...
Used alone or in combination with a distant signal. Meaning: This is a distant signal. (It may be used stand-alone or to indicate the actual distant signal at the same place. Note that a semaphore distant signal may not show a visible aspect when showing Vr 1.) A main signal, shunting signal or a Ne1 will be found at braking distance.
A British Upper Quadrant semaphore signal. In the days of the first British railways, "policemen" were employed by every railway company. Their jobs were many and varied, but one of their key roles was the giving of hand signals to inform engine drivers as to the state of the line ahead. [3]
When a crossing loop is reached, a Home Signal will have a signal for each, with the crossing segment signal being 45 degrees beneath the main line signal and in the direction of the turnout. For example, if the turnout was a right-hand the crossing signal would be on the right side below the main signal.
Example of an L type light signal. Swiss light signals are divided into two classes, recognizable by the difference in shape of the signal: type L (for Light) and type N (for numérique (digital)). Type L was developed many years ago. The N system was developed for the Rail 2000 project and shows a clear influence of the Dutch NS'54 system. In ...
The NORAC rule book illustrates all signal aspects and indications which may appear on track operated by member railroads. However, GCOR does not illustrate signal aspects and indications because of the lack of uniformity between the participating railroads. Signal aspect and indication illustrations instead appear in each railroad's system ...