Paris Underground: The Maps Stations And Design of the Métro By Mark Ovenden

All trains travel from one end of the line to the other, serving every station along the way. [ 3] as well as its 321 stations of which 61 allow the riders to transfer between the sixteen lines. Besides the Métro, central Paris and its urban area are served by fiveRER lines (602 km or 374 mi with 257 stations), fourteentramway lines (186.6 km or 115.9 mi with 278 stations).

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