Line 1 LRT disruptions to stretch into early fall

OttawaThe on-and-off shutdowns that have disrupted travel on the O-Train’s Line 1 all summer will continue until at least early fall, OC Transpo says.Testing on eastern extension slated to take place mid-SeptemberCBC News · Posted: Aug 28, 2025 3:35 PM EDT | Last Updated: 1 hour agoA sign outside Tunney’s Pasture station in 2023 tells riders Line 1 is out of service. Disruptions are also slated to take place on Line 1 this September and October, OC Transpo says. (Joseph Tunney/CBC)The on-and-off shutdowns that have disrupted travel on the O-Train’s Line 1 all summer will continue until at least early fall, OC Transpo says.The latest changes come as OC Transpo appears poised to begin testing out the entire eastern extension in mid-September.If previously announced work on Aug. 31 proves successful, Line 1 will shut down Sept. 13-14 so that test trains can run between Tunney’s Pasture and Trim station.R1 replacement buses will run that weekend between Tunney’s Pasture and Blair stations, along with the usual shuttle bus service between St-Laurent and Cyrville stations.Work will also take place that weekend on the leaky St-Laurent station tunnel, OC Transpo said.The transit agency’s website says the east extension is slated to launch this year.This City of Ottawa graphic explains the O-Train disruptions that will occur in September 2025 and the first week of October 2025. (City of Ottawa)Maintenance work disruptionsRideau Transit Maintenance (RTM) will also be performing work on Line 1 between Sept. 26 and Oct. 5.That means there will be no Line 1 service at all after 8 p.m. on Sept. 26, nor will trains be running on Oct. 4 or Oct. 5.There will also be late-night disruptions on Sept. 27 and from Sept. 29 until Oct. 2, OC Transpo said, with service only available from one platform at some stations after 11:30 p.m.RTM’s work includes replacing rails between Rideau and uOttawa stations, and rail grinding across the entire system.They’ll also be upgrading the cables that support the overhead catenary system, as well as doing general maintenance and seasonal cleaning.