A signal failure caused misery for Hong Kong commuters on Tuesday morning. Photo: Dickson Lee

Was system upgrade to blame for signal failure that caused six hours of chaos on Hong Kong rail network?

Four lines share one ‘main brain’ and work on Tsuen Wan route may have affected Island, Kwun Tong and Tseung Kwan O lines

Topic |   Hong Kong MTR

TOP PICKS

A signal failure caused misery for Hong Kong commuters on Tuesday morning. Photo: Dickson Lee
READ FULL ARTICLE