O-Train Line 4 resumed service between South Keys and the Ottawa Airport Friday afternoon after being offline for most of the day. OC Transpo says service stopped running at approximately 7:50 a.m. due to a “technical issue with a train.” “Train technicians attempted to troubleshoot the issue on site but were unsuccessful,” Joel Lemieux, director of transit service delivery and rail operations, said in a statement. “The train is now being towed back to the rail yard. Line 4 service will resume once this is complete.” At 4 p.m., OC Transpo said regular service on Line 4 had resumed. Line 4 runs between South Keys and Airport stations, with a stop at Uplands. Route 105 bus service was running between Greenboro and Airport stations during the O-Train shutdown.
