RATP to bring 3G/4G to Paris metro by end 2017, to receive support from ARCEP July 13, 2016 | Europe News French regulator Autorité de Régulation des Communications Électroniques et des Postes (ARCEP) has signed an agreement with Paris transit authority Régie Autonome des Transports Parisiens (RATP) to en... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password