Smiths Falls, Markham residents die in New Dublin Road collision

Leeds County OPP are investigating a fatal two-vehicle collision on County Road 29 near New Dublin Road.

Police were called to the scene shortly before 2:30 p.m. on Wednesday, Dec. 31, 2025, after receiving reports of a crash involving two vehicles.

According to a media release, the drivers, a 66-year-old woman from Smiths Falls and a 66-year-old man from Markham, were pronounced dead at the scene. A passenger involved in the collision sustained non-life-threatening injuries.

The OPP East Region Traffic Incident Management and Enforcement team is assisting with the investigation, including technical collision investigators and a collision reconstructionist.

County Road 29 remains closed as of Wednesday evening to allow police to complete the investigation.

Anyone with information, including dashcam footage, is asked to contact OPP at 1-888-310-1122 and refer to incident E251748330.