The disposal operation delayed a passenger train en route from Ukraine to Azerbaijan by several hours.

拆除行动使得一趟从乌克兰开往阿塞拜疆的客运列车延误了数个小时。

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These tiers could categorize methods of operation in conjunction with safety improvements such as separation of passenger and freight traffic and advanced train control systems.

这些安全措施包括将客运流量与货运流量隔离，升级列车控制系统等。

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Another HSR operation has proposed a 220 MPH service and has also included passenger seating in the power cars (cab cars).

另一条预期时速达到每小时220英里(352公里)的高铁线路，也将在动力车厢(cab cars)内安置旅客座位。

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The agency would start regulating space vehicles to ensure crew and passenger safety only if the operation of those vehicles resulted in death, serious injury or a dangerous close call.

MSN: Private-spaceflight bill signed into law

Steam passenger Tube trains were last in operation in 1907, but steam locomotives hauled freight and engineers' trains until 1971.

BBC: London