As part of its 2025 budget, the City of Markham is launching a major flood control initiative to enhance climate resilience and protect against severe weather events. The Markham Village Flood Control Phase 1B project is scheduled to commence in mid-April, backed by a $22.4-million investment.
Key Facts
The Markham Village and Unionville area study was expedited following severe flooding in the summer of 2017.
The affected neighborhoods were developed before 1978 when storm drainage systems were designed for a five-year level of service, far below today’s 100-year standard.
Residents should anticipate road closures and detours throughout construction, with a traffic management plan in place to minimize disruptions.
Streets Impacted by Phase 1B Construction
Wootten Way North (from Church Street to Ramona Boulevard)
Sir Lancelot Drive (from Church Street to Sir Gawaine Place)
Sir Kay Drive (from Sir Lancelot Drive to Sir Gareth Court)
Sir Gawaine Place (from Sir Lancelot Drive to the end of the curve)
Sir Gareth Court
Sir Tristram Place
Sir Pellias Terrace
Road Closures and Traffic Management
Full closure of Wootten Way North (from Church Street to Ramona Boulevard) for the project’s duration.
Access restrictions on affected streets, limited to local As part of its 2025 budget, the City of Markham is launching a major flood control initiative to enhance climate resilience and protect against severe weather events. The Markham Village Flood Control Phase 1B project is scheduled to commence in mid-April, backed by a $22.4-million investment.
Key Facts
The Markham Village and Unionville area study was expedited following severe flooding in the summer of 2017.
The affected neighborhoods were developed before 1978 when storm drainage systems were designed for a five-year level of service, far below today’s 100-year standard.
Residents should anticipate road closures and detours throughout construction, with a traffic management plan in place to minimize disruptions.
Streets Impacted by Phase 1B Construction
Wootten Way North (from Church Street to Ramona Boulevard)
Sir Lancelot Drive (from Church Street to Sir Gawaine Place)
Sir Kay Drive (from Sir Lancelot Drive to Sir Gareth Court)
Sir Gawaine Place (from Sir Lancelot Drive to the end of the curve)
Sir Gareth Court
Sir Tristram Place
Sir Pellias Terrace
Road Closures and Traffic Management
Full closure of Wootten Way North (from Church Street to Ramona Boulevard) for the project’s duration.
Access restrictions on affected streets, limited to local residents 24/7, with emergency vehicle access permitted.
Project Timeline
December 20, 2025 – 60% of the work completed (base asphalt level reached).
January to Spring 2026 – Winter shutdown period.
Spring 2026 to December 2027 – Final phase and project completion.
Residents are encouraged to stay informed about construction updates and plan their travel accordingly.
24/7, with emergency vehicle access permitted.
Project Timeline
December 20, 2025 – 60% of the work completed (base asphalt level reached).
January to Spring 2026 – Winter shutdown period.
Spring 2026 to December 2027 – Final phase and project completion.
Residents are encouraged to stay informed about construction updates and plan their travel accordingly.
