It waits until it reaches a downtown intersection in the middle of the rush hour, or until it is fully loaded with family and luggage on the 4 Ohio 5 Turnpike.

它总是等到车在高峰期开到闹市区的十字路口时，或者当车子满载着一大家子和他们的行李在俄亥俄州收费公路上行驶时才发生故障。

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On a typical weekday, some 300, 000 vehicles will drive across the one mile span, and during the evening rush hour--from 4 P.

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There was an increase of about 4% in rush hour travellers, but because passengers travelled earlier or later than usual, the rush hour was "flattened", says BBC London transport correspondent Tom Edwards.

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