Urban Mass Transit "light rail" and "Metro" corresponds to the city bus system tram, rail and urban rail transit train tire Skytrain completely different technically, it does not belong to the light rail system. Urban Mass Transit light rail refers to gauge the effect of the light rail running on the 1435 mm track international standard train, trains with automated signaling system. The difference is not on the ground, underground light rail and subway; the body is selected, choose A, B body for the subway; C for the light rail vehicle; the difference between light rail and Amtrak rail sales, not the track weight, sometimes heavier than light rail track Normal Amtrak weight. Vehicle light rail and tram basically no difference; mention tram (streetcar) mostly in English refers to the traditional line (many switch to modern trams running to improve efficiency), and other modes of transportation in the city streets Mixed . The light rail (LRT) usually has the exclusive right of way (signals, stations, etc., etc.), modern streetcar light rail manufacturers, if necessary, of course, can also be mixed with the line, generally light rail (LRT) line has completely closed and proprietary signals, it is difficult and metro (subway) to distinguish. Light rail line, Hefei rail, the exhibition is provided by the Hefei exhibition of Commerce Bo Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) strong, credible, in Hefei steel industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement will lead the development of innovative ideas of Commerce Bo into the brilliant and you work for a better future!