The Réseau express métropolitain (REM) is gradually restoring service Thursday morning after a technical problem disrupted operations. Service had been interrupted between the Deux-Montagnes and Côte-de-Liesse stations in both directions. The REM says trains are now progressively returning to service in the affected area. Gradual service resumption underway between Deux-Montagnes and Côte-de-Liesse, in both directions. — Réseau express métropolitain (@REM_infoservice) January 29, 2026In an email to CityNews, Pulsar the REM’s operator said that there had been an issue when dispatching the Deux-Montagnes trains and a switch track problem.