Paris Travel Guide - HTML5

underground train system, known as the Métro (short for Chemin de fer métropolitain , Metropolitan Railway). Although you will probably take the RER train from the airport (CDG) to Paris, don't be confused: RER is a French-language acronym that translates to "Regional Express Network," and is mostly used by commuters. Look for the Métro stations, marked either with a large "M" sign or by one of Hector Guimard's remarkable Art Nouveau station entrances. However, crossing Paris can be much faster by RER than by Métro, and within the city of Paris, there is little functional difference between the RER and Métro (there are numerous transfers between the two networks, and a