Railway transport has both distance and scale economy, so the railway companies always regard large scale and long distancefreight transport as their objective markets.
铁路运输具有距离与规模两方面的经济性，铁路部门也一直把大批量中长途货物运输作为其目标市场。
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New York to Atlanta or Chicago is a similar distance, and takes 18 to 19 hours on Amtrak, which must share tracks with 12, 000-ton freight trains and many commuter trains.
Mr Pepy dreams of new rail links that bypass city centres and allow freight trains to roll through the night, offering a greener alternative to long-distance lorries.