Beijing increases metro train frequency
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E-mail China.org.cn, August 15, 2017
Beijing's metro lines have increased their train frequencies over the past decade. Now most of the lines running across the central city during rush hour arrive at stations at two minutes intervals. This week, the city has increased train frequency for the Changping Line, the Fangshan Line, Line 15 and 16.
The increased train frequency was driven by better technology in cutting turn-back time and automated train parking.
Line 1 has increased its train frequency ten times since May 2007, and it now runs at two minutes intervals, up from the previous three minutes intervals. The upgrading of the signal system plays the most important role. The signal system, which runs continuously even after trains stop in the night, has a service term of 15 to 20 years. The system of Line 1 was upgraded in 2015 when it reached service term.
Since 2007, Beijing has added a new metro line every year. Metro operators have been refining operations to save time and ensure that trains run smoothly. Originally, the trains during morning peak hours depart at five minutes and five seconds intervals. It has since been shortened to four minutes 45 seconds. The clearance time on some trains is only about 10 seconds when they arrive at terminal station.
Meanwhile, the network-based operation of Beijing's subway has improved coordination among lines, which helps to alleviate congestion at stations with large volumes of transfer passengers.
These improvements have helped Beijing to achieve its goal in shortening the train frequency at its busiest metro lines to two minutes, which is now the shortest interval in major cities worldwide.
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