Western Railway will cancel approximately 120 suburban train services daily on January 12 and 13, 2026, impacting Mumbai commuters. These cancellations are part of a 30-day block for constructing a sixth railway line between Kandivali and Borivali, aimed at increasing capacity. Major night blocks are scheduled on January 11-12 and 12-13 for dismantling and inserting points at Kandivali, affecting fast line movements. Mail and Express trains may also face disruptions, short-terminations, or rescheduling.