Business News SMRT train collision due to 'inadvertent' removal of software protection feature November 15, 2017 johorbiznet Johor News SMRT train collision due to ‘inadvertent’ removal of software protection feature Channel NewsAsia Train services between Joo Koon and Tuas Link to be suspended for at least a day on Nov 16 TODAYonline Joo Koon collision: Software glitch in signalling system results in second train misjudging distance The Straits Times Full coverage Source: Business News Feed