印尼调查人员发现，信号和通信问题是4月份在首都雅加达附近发生的致命列车相撞事故的主要原因，该事故造成16人死亡，交通运输安全委员会的一份报告显示。
Indonesian investigators found signal and communication problems were the main cause of a deadly train collision near the capital Jakarta which killed 16 in April, a report from the Transportation Safety Committee showed.