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| | Light rail - Wikipedia, the free encyclopedia |
 | | At the highest degree of separation, it can be difficult to draw the line between light rail and metros, as in the case of London's Docklands Light Railway, which would likely not be considered "light" were it not for the contrast between it and the London Underground. |
 | | Arguments are generally along three lines: first, that modern spatial arrangements are unsuited for fixed-line transit systems such as light rail; second, that light rail is too slow to compete with the automobile; and three, that light rail does not generate a sufficient return on capital investment to make its construction worthwhile. |
 | | A notable exception is the New Jersey Transit River LINE from Camden, New Jersey to Trenton, New Jersey, which has received an exemption on the provision that light rail operate only during the daytime hours and Conrail freight only at night, with several hours separating one operation from the other. |
| en.wikipedia.org /wiki/Light_rail (3177 words) |
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