Strengthening train and strict execution of safety operational regulation are the countermeasures.

采取加强培训、严格执行安全操作规程等对策、加以改善。

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Ian Prosser, Office of Rail Regulation safety director, said that in this case, the train companies through "inadequate management and planning" had failed to ensure the safe recovery of an engineering train.

BBC: Runaway Tube train: Operators fined ?300,000