The ARTM is responsible for setting fares for public transit services in the Greater Montréal area. Customer service is provided by the following transportation agencies.
Société de transport de Montréal
Customer services STM-OPUS
514 786-6787
exo Trains, exo Chambly-Richelieu-Carignan, exo Haut-Saint-Laurent, exo La Presqu’île, exo L’Assomption, exo Laurentides, exo Le Richelain, exo Roussillon, exo Sainte-Julie, exo Sorel-Varennes, exo Sud-Ouest, exo Terrebonne-Mascouche, exo Vallée du Richelieu
