Elevation, exposure, crowds: Why Delhi Metro’s Blue Line breaks down so often

Four snags in less than 30 days have raised questions on the efficiency of Delhi Metro’s longest and busiest line.

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Long queues at Rajiv Chowk Metro Station. (Sanchit Khanna/ Hindustan Times)

Four snags in less than 30 days have raised questions on the efficiency of Delhi Metro’s longest and busiest line.

With a network running over 50 km, five interchange stations and 30% increase in the expected ridership, the Blue Line may be crumbling under its own pressure. But the Delhi Metro Rail Corporation (DMRC) hopes that phase-III stations will help reduce the burden.

The Delhi Metro Rail Corporation (DMRC) estimated that the ridership of the line by 2016 would be 9.18 lakh per day but in August, 2015, it was 11.94 lakh in a day. This line carries over 30% of Metro passengers and since most of the part is elevated, the vulnerability to snag is more.

“It is the longest route and most of it exposed to nature. The problem in overhead wires happens because of change in atmosphere and because of heat and frequent thunderstorms, this line is the most vulnerable. The track circuit problem occurs because of variation in temperature.

Today also, a spark was noticed and as a precautionary measure, speed was slowed down. Also, since the line is getting old, it requires regular maintenance,” said a DMRC official, requesting anonymity. More info

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