Expect some traffic disruptions during Tamarack Ottawa Race Weekend

Tamarack Ottawa Race Weekend returns to Ottawa streets this weekend, from Saturday, May 25 to Sunday, May 26. The running event starts and ends at Ottawa City Hall, 110 Laurier Avenue West, and involves intermittent lane reductions and closures on Saturday, from as early as 11 am until 9 pm, and on Sunday, from as early as 5 am until 2 pm. Major roads impacted at various times by the event include:

• Laurier Avenue
• Elgin Street
• O’Connor Street
• Wellington Street
• Bronson Avenue
• Colonel By Drive
• Pretoria Bridge
• Queen Elizabeth Drive
• Preston Street
• Carling Avenue
• Gladstone Avenue
• Kichi Zībī Mīkan Parkway
• Booth Street
• Rideau Street
• MacKenzie Avenue
• Sussex Drive
• Sir George Étienne Cartier Parkway

A full listing of the lane reductions, road closures and times are located on the Tamarack Ottawa Race Weekend website. For updates on construction and roadwork across Ottawa, or for information about traffic and travel planning, visit the City’s traffic map or follow the City’s traffic account on Twitter. OC Transpo Some OC Transpo bus routes will be affected by road closures and event activity:

• OC Transpo routes 5, 6, 7, 12, 14, 16, 18, 19, and 55 will be detoured on Saturday, May 25.
• OC Transpo routes R2, 5, 6, 7, 9, 11, 12, 14, 18, 19, 55, and 85 will be detoured on Sunday, May 26.
• Para Transpo travel times may be affected by planned road closures.

For details and latest updates, visit octranspo.com/alerts or call 613-560-5000. You can also sign up to receive service alerts or connect with OC Transpo through Facebook, X and Instagram. For more information on City programs and services, visit ottawa.ca, call 3-1-1 (TTY: 613-580-2401) or 613-580-2400 to contact the City using Canada Video Relay Service. You can also connect with us through Facebook, X (formerly Twitter) and Instagram.