<正>Greater Paris is famous for its extensive metro and RER(express rail)system.By the end of 2006,there were 14 metro lines in Paris as illustrated in Figure 1,
<正>This report demonstrates the role of the operation in the whole metro system and the correlation with the gov- ernment through the compare and analy- sis of
<正>Introduction of Public Transport in Munich Underground System The new generation of underground trains travel at a top speed of 80 km/h and are equipped wit