RATP (Paris Public Transport Company) · Versions URL: https://knowledge.ivjn.us/en/concepts/ratp/versions.html RATP (Paris Public Transport Company) is a French state-owned enterprise that operates the Paris Metro, parts of the RER lines, most trams, and part of the bus network in Île-de-France. - rev 15 (2026-10-31) : 当前版本 https://knowledge.ivjn.us/en/concepts/ratp/at/15.html Page 1 / 1, 1 total