La Défense
Puteaux is also served by Esplanade de la Défense station on Paris Métro Line 1, in the business district of La Défense, as well as by La Défense station, a large interchange station on Paris Métro Line 1, on Paris RER line A, on the Transilien La Défense suburban rail line, and on the Transilien Paris – Saint-Lazare suburban rail line.