Ottawa·NewThe O-Train Line 1 will be closed this weekend as planned work continues to prepare for the launch of the east extension to Trim Station. A full replacement bus service will run.Testing on eastern extension to take place on Saturday and SundayCBC News · Posted: Sep 12, 2025 11:23 AM EDT | Last Updated: 8 minutes 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 O-Train Line 1 will be closed this weekend as planned work continues to prepare for the launch of the east extension to Trim Station. A full replacement bus service will run, OC Transpo said. All of Line 1 will be closed on Saturday and Sunday so that test trains can run between Tunney’s Pasture and Trim station.R1 replacement buses will run 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 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.
LRT Line 1 closed all weekend
