The document discusses the use of intelligent transportation systems (ITS) in railways. ITS uses technologies like sensors, cameras and communication systems to improve safety, efficiency and reliability of transportation networks. In railways, ITS is used for applications like track quality monitoring, vehicle identification, wheel defect detection, noise reduction, vehicle maintenance and incident prevention. Some examples of ITS discussed are variable monitoring systems, train telecommunication systems, train control and supervision systems, and passenger information systems. The goals of ITS in railways include higher speeds, higher reliability, increased capacity, improved safety and reduced maintenance costs.
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