Friday, October 25, 2013

Thursday, October 24, 2013, 

Railways planning semi-high-speed trains to cut journey time between Delhi & Mumbai

The travel time between Delhi and Mumbai could soon be cut by three hours as the Indian Railways is working to run the Rajdhani, Shatabdi and Duronto trains at speeds of 160-200 kms per hour. This means the 17-hour journey between the two metros will be down to 14 hours, while the travel time between Delhi and Chandigarh will be reduced by one hour, Mahendra Singh reported in The Times of India. The maximum speed of Rajdhani, Shatabdi and Duronto trains now range between 130-150 kmph. With the Railways not able to fund capital-intensive bullet trains, it is working on operating semi-high-speed trains at 160-200 kmph with marginal improvisation to the existing infrastructure.

Arunendra Kumar, Chairman, Railway Board, said, “As huge money is required to achieve speeds of more than 300 kmph, we have decided to run trains at 160-200 kmph as the cost will be much lower. This will help Railways cut down travel time for premier trains between major stations."

To begin with, Kumar said semi-high speed trains will be run on an experimental basis to connect cities 500-700 km apart. These trains could be run on the Delhi-Bhopal, Delhi-Lucknow and Delhi-Chandigarh routes to check if such speeds could be achieved.

Kumar said these trains would be run at higher speeds with the existing locomotives, modern Linke Holfmann Busch (LHB) coaches and on the same tracks with minor modifications by studying high-speed technology related to bogies, signaling system, wheel sets and brake systems.

“We are studying train dynamics that are related to air pressure while high-speed trains cross each other or enter a tunnel,” he said.

While Railways has not worked out the exact cost and timeline for the project, Kumar said the semi-high-speed trains would start running very soon. “We may have to fence tracks at a few places where cattle movements are reported. There will be training and guidelines for drivers, station masters and guards regarding safety requirements. Some modification in signaling system would be required," Kumar added.

The Chairman allayed fears that increasing the speed of these elite trains on the same tracks would delay other trains, arguing that this would require mere adjustment in the time-table. He said the system will ensure track clearances for 25-km stretches on the route of the semi-high-speed train and that would ensure smooth operations for other trains.


Unknown said...

great effort by indian railways. we hope this should be applied for all trains... you have posted great information..


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