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Signals failure brings city subway to a halt
Amornrat Mahitthirook, Bangkok Post (21 Feb 2005)

BANGKOK, THAILAND: The city subway ground to a halt again yesterday after a signals failure, one month after a collision halted services for two weeks.

Computerised lights between Phahon Yothin and Chatuchak stations did not show green even though the line was clear. Faced with a red light, trains were not cleared to move.

The operator, Bangkok Metro Co Ltd, cut electricity to one of the tracks so repair staff could go into the tunnel to fix the problem, which occurred about 1pm and again about 4pm, a BMCL source said.

With only one track usable between Phahon Yothin and Chatuchak, the subway ran on a short loop from 7pm until 9.30pm, operating services on four sectors _ Hua Lamphong to Culture Centre, Culture Centre to Suthisan, Suthisan to Phahon Yothin and Phahon Yothin to Bang Sue. Passengers had to change trains.

Normal services resumed at 9.30pm.

The governor of the Mass Rapid Transit Authority of Thailand, Prapat Chongsanguan, seemed upset.

``I really want to know how it happened,'' he said.

The 21km service only resumed on Feb 1 after the Jan 17 crash which injured about 200 passengers.

On Feb 5, a power cut closed the subway for two hours.


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