Metro safety line is very important to the daily operation.

地铁安全线在日常运营中对保障运营安全有着重要意义。

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Philippines started deploying over 100 policemen in key destinations in metro Manila to ensure the safety of foreign tourists, a police official said Wednesday.

菲律宾警方27日宣布，即日起在菲首都大马尼拉地区的主要景点部署百余名"旅游警察"，以保护来菲外国游客的人身安全。

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The permanent waterproof measures of Beijing Metro are very important to ensure no seepage and leakage axed to satisfy transportation safety and structure operational life requirements.

为确保地铁结构不渗不漏，满足运营安全和结构使用年限要求，做好地铁结构永久防水至关重要。

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Trash cans and recycling bins are being removed from certain areas of Washington's Metro subway system as a safety precaution.

CNN: Recovery: Airlines to reinforce cockpit doors

Metro owner Nexus said passenger safety was its "top priority".

BBC: Metro train dragged woman by the arm - report

Metro-North and the National Transportation Safety Board, which is investigating the crash, both declined to comment on that assertion.

WSJ: Probe of Metro-North Derailment in Connecticut Focuses on Rail