BENGALURU: Are you a regular Namma Metro passenger wondering why your journey is taking lesser time? Bangalore Metro Rail Corporation Limited (BMRCL) officials said they have reduced dwell time at many stations so trains are completing trips faster.
Officials said they had increased station dwell time during the pandemic to ensure social distancing but have reduced it now. They said dwell time depends on factors like the number/behavior of passengers, the action of opening/closing doors and departure time, design of the station, etc.
“During Covid-19, dwell time was 30-40 seconds, which has now reduced to 20-30 seconds in most stations. In Nadaprabhu Kempegowda Station, Majestic, it is 50-60 seconds depending on the crowd. We had to increase the station dwell time to facilitate smooth boarding and deboarding to adhere to social-distancing norms during a pandemic” said AS Shankar, executive director (operations and maintenance) BMRCL.
A trip between Byappanahalli and Kengeri (25.6km-Purple Line) now takes 47 minutes compared to 52 minutes earlier. Similarly, the 30km Silk Institute-Nagasandra (Green Line) journey is now completed in 54 minutes in comparison to 55 minutes before.
He said the average speed of the Purple Line has increased from 31 kmph to 33 kmph. “We have reduced the journey time of Purple Line based on speed profile modification and reduction of dwell time at stations. On the Green Line, the speed remains the same (34 kmph),” said Shankar.
The average distance between two Metro stations is about a km. “There are different factors affecting the speed: sharp curves, frequency of bends, gradients, etc. The trains also have to decelerate to a lower speed to enable a smooth stop at every 1km,” he added.
“On sections where we have straight track, our trains run at 75kmph, including Goraguntepalya-Yeshwantpur on Green Line and MG Road
-Trinity on Purple Line. But on other sections like Indiranagar-SV Road on Purple Line which have steep curves, their speed is 25kmph,” said Shankar.
Namma Metro’s average daily ridership is now around 5 lakh and frequency is 5 minutes during peak hours and 10 minutes during non-peak hours.
In contrast, the average speed for KIA Metro (KR Puram-Kempegowda International Airport) will be higher. The average speed planned is 36kmph between KR Puram and Yelahanka and 60kmph between Yelahanka and the airport terminal. In Delhi, for instance, the Airport Express Line: New Delhi-Dwarka (22.7km, six stations) runs at an average speed of 70-80kmph and covers the distance in 19 minutes.‘16 mins from Majestic to JP Nagar’
Siddharth, a passenger wrote on Twitter: “Metro speed has increased towards the southern part of Green Line. What used to take 18 minutes two years earlier was reduced to 17 after Covid and now it’s 16 minutes from Majestic to Jayaprakash Nagar.”
Another regular passenger asked whether Metro speed has increased. “Unusually high speed on both lines…especially on the Majestic and Magadi Road section of the Purple Line,” he said.
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