Pune-Lonavla rail traffic system to be streamlined

Pune-Lonavla rail traffic system to be streamlined

Pune: The Central Railway’s (CR) project of signal automation between Pune and Lonavla is now 60 per cent complete. This will increase the section capacity and help the Railways in streamlining of traffic on this route. 

Central Railway’s (CR)  had started the work on an automatic signal system last year and has completed the work between Lonavla to Dehu Road, a length of 39.80 km. The work between Dehu Road and Pune Station is underway and is expected to be completed soon.

As per the officials, after the completion of the project, the line will have better ‘section capacity’ meaning that the trains could be easily streamlined on the route.

“This means that every kilometre will have an automated signal instead of the old system of having a signal in every section. Earlier, we had to wait until an ongoing train reached the next section, to give a green signal to the next train to enter that section. With automated signalling, we can monitor the train movement for every kilometre inside a section. This increases our ability to accommodate more than one train in one section,” said a senior Central Railway’s (CR)  official.

Automatic Block Working is a system of train working in which movement of trains is controlled by the automatic stop signals. These signals are operated automatically by the passage of trains ‘into’, ‘through’ and ‘out’ of the automatic signalling sections. 

Explaining essentials of the Automatic Block System, an official said, “The line is track circuited throughout its length and divided into a series of automatic signalling sections, each of which is governed by an Automatic Stop Signal. The movement of trains is controlled by stop signals, which are operated automatically by the passage of trains past the signals. No Automatic Signal assumes ‘OFF’ unless the line is clear not only up to the stop signal ahead but also an adequate distance beyond it.”

“Apart from it, the whole system is fail-safe designed, meaning if any of the components fail, the system becomes safer. For example, if the green signal fails, the next permissive signal ‘double yellow’ will be displayed. If ‘single yellow’ fails, next permissive signal ‘red’ will be displayed. If ‘red’ signal fails, the standby ‘red’ signal is displayed” he added.

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