该计划被经济危机所取代，英国机场管理局和英国航空公司对希思罗机场进行了大量投资，这两家公司的严格控制阻碍了希思罗机场的复兴。

The scheme was overtaken by the economic crisis, and the stranglehold of BAA and BA, both of which have a lot invested in Heathrow, has prevented its revival.

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拥有希斯罗机场的BAA(英国机场管理局)公司说，UL Tra - PRT能够将行程时间缩短60%而且可以在运营成本上节省40%。

BAA, the company that owns Heathrow airport, says ULTra-PRT can improve travel times by 60 percent and provide 40 percent in savings on operating costs.

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