Ottawa·UpdatedOttawa’s transit agency says a ventilation problem that stalled LRT service east of Tremblay station most of Tuesday morning has been fixed.No trains ran east of Tremblay station for most of the morningCBC News · Posted: Oct 28, 2025 8:05 AM EDT | Last Updated: 10 minutes agoListen to this articleEstimated 1 minute R1 buses replaced LRT service during Tuesday’s partial closure. (Francis Ferland/CBC)Ottawa’s transit agency says a ventilation problem that stalled LRT service east of Tremblay station most of Tuesday morning has been fixed.OC Transpo brought in R1 buses to serve Line 1 stops between Blair and Hurdman stations.Trains continued to run between Tremblay and Tunney’s Pasture stations.OC Transpo said just after noon that full LRT service had resumed. Officials have not elaborated on the problem.An overlapping medical emergency briefly closed platforms at Lyon, Pimisi and Bayview stations Tuesday morning. OC Transpo said that issue was resolved around 8:05 a.m.
East end of Line 1 reopens after ventilation problem
