Line 1 - R1 bus service from Tunney’s Pasture to Blair. Service Update for July 18, 2023

Routes: 1 O-Train

Date effective: July 17, 2023

Here is the latest information regarding Line 1 service.  

  •  During a routine inspection an issue was identified with an axle bearing, similar to what has occurred in the past.  
  •  Upon further investigation an axle check was done, and it was determined that the bearing play was over threshold at which it could stay in operation.  
  •  The safety of our customers and staff is our number one priority and, out of an abundance of caution, Line 1 service was suspended to allow for a complete investigation.  
  •  Our team is focused on working with RTG and Alstom on the investigation.  
  •  All trains are being safely returned to the Maintenance and Storage Facility and will be inspected. 

What can customers expect? 

Until further notice:   

  •  R1 bus service will be operating from Tunney’s Pasture to Blair Station until further notice 
  •  R1 service will start at 5:00 am and operate until 1:00 am. Our Transit Operations Control Centre is working to balance service delivery to support customers as best as possible, with a goal of 5-minute bus service.  
  •  Staff are scheduled to be at all major stations to support customers during their commute.   
  •  Additional signage is being installed to ensure customers are provided with accurate information during their trip.  
  •  Regular updates are being provided to customers on our social media and posted on our website. 

Please visit or follow @OC_TranspoHelps for the latest information.   

Para Transpo Clients: 

Due to the Line 1 service suspension #ParaTranspo customers who have trips booked for pick up or drop off at Line 1 stations, should call 613-560-5000 or text 5PARA (57272) to change locations.   


For ongoing updates, please visit this link.

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