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There are two main types of signaling aspect systems found in North America, speed signaling and weak route signaling. [citation needed] Speed signaling transmits information regarding how fast the train is permitted to be going in the upcoming segment of track; weak route signaling transmits information related to the route a train will be taking through a junction, and it is incumbent upon ...
A railway signal is a visual display device that conveys instructions or provides warning of instructions regarding the driver's authority to proceed. [1]
File:Logo of the Canadian Atlantic Railway.png; File:Logo of the Cedar Rapids and Iowa City Railway.png; File:Logo of the Denver and Rio Grande Western Railroad.png; File:Logo of the Duluth, Winnipeg and Pacific Railway.jpg; File:Logo of the I and M Rail Link.png; File:Logo of the Iowa, Chicago and Eastern Railroad.png; File:LogoMetroLigero.png
Train order traffic control was used in Canada until the late 1980s on the Algoma Central Railway and some spurs of the Canadian Pacific Railway. On CN's Deux-Montagnes commuter line, this system lasted on part of the route until the total replacement of signaling and catenary in 1995. The orders were notable for being bilingual.
Railway semaphore signal is one of the earliest forms of fixed railway signals. This semaphore system involves signals that display their different indications to train drivers by changing the angle of inclination of a pivoted 'arm'. Semaphore signals were patented in the early 1840s by Joseph James Stevens, and soon became the most widely used ...
In the UK, every section of railway line has a maximum speed, known as the Permissible speed. [20] Table A of the Network Rail Sectional Appendix provides a list of these. Where there is a change in permissible speed on a line, a permissible speed indicator sign will show the new speed.
For readers: When self-defined legend is provided in the map, it takes precedence over this one. For editors: Wikipedia:Route diagram template
The Vienna Convention on Road Signs and Signals, a multilateral treaty of the United Nations with the intention of standardizing traffic signs around the world, prescribes several different regulations for the "crossbuck" sign. The sign should consist of two arms not less than 1.2 metres (3.9 ft) long, crossed in the form of an . The first ...