Markham Local Pulse

Fatal crash closes Highway 407; OPP investigation underway

Fatal crash closes Highway 407; OPP investigation underway

Highway 407 Fatal Collision

A fatal crash on Highway 407 near Leslie Street in Markham has resulted in the highway being temporarily closed as authorities investigate the incident. The Ontario Provincial Police (OPP) are leading the investigation into the crash, which has caused significant traffic disruptions in the area.

Details of the Incident:

  • The collision occurred Saturday night on Highway 407 close to Leslie Street.
  • A man was killed in the crash, prompting an immediate response from emergency services.
  • The highway was shut down to facilitate the investigation and ensure safety, leading to traffic delays for commuters.

Investigation and Response:

  • The Ontario Provincial Police's Highway 407 detachment is actively investigating the circumstances surrounding the collision.
  • Multiple news notices and updates have been issued, emphasizing the ongoing criminal and traffic probe.
  • Authorities are working to determine the cause of the crash and any potential contributing factors.

Community and Traffic Impact:

  • The closure has disrupted normal traffic flow in the region, affecting commuters traveling through Markham.
  • The incident underscores ongoing concerns about road safety on major highways and the importance of prompt law enforcement response.

This tragic event highlights the critical need for vigilance on busy roadways and the swift action taken by police to investigate and manage such incidents. Further updates will be provided as the investigation progresses.

Sources (3)
Updated Feb 21, 2026