The evaluation index system for the regional rail transit network is different from those of the highway network and public transportation network.

区域性轨道交通线网评价与公路网、公交网络的评价体系存在一定不同。

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Concern over air pollution has revived interest in light-rail transit and has led to regional mass transit systems.

对空气污染的忧虑使人们对轻轨运输重新产生兴趣，促成了地方性运输系统。

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David Gibson, who drew up the plans and is also the regional officer for the Light Rail Transit Association, said this, when added to plans for another 19, 000 homes in the area, meant action was vital.

BBC: Nottingham tram

The MTA operates New York City's subway and bus system as well as an extensive regional transit network stretching into the suburbs, including the Metro-North and Long Island Rail Roads and the Staten Island Railway.

WSJ: Prendergast Picked to Run MTA