A fatal head-on collision on Boulevard des Allumettières in Gatineau’s Aylmer sector has left two people dead and another critically injured after a serious crash during the early morning hours of September 4, 2026.

Emergency crews were called to the roadway shortly after midnight following a collision involving two vehicles between Chemin Vanier and Boulevard des Grives. Police, paramedics and other first responders attended the scene as authorities began managing the aftermath of the crash.

The two drivers involved in the collision were transported to hospital with injuries. Despite medical efforts, both later died. A passenger in one of the vehicles was also taken to hospital and remained in critical condition, according to the information available from authorities.

The identities of the two people who died had not been publicly released at the time of the latest update. Police were reportedly working to notify relatives before releasing additional information about the victims.

The severity of the crash resulted in significant road closures. A section of Boulevard des Allumettières was closed in both directions, while investigators and forensic identification personnel worked at the scene. Chemin Vanier was also affected as police carried out their investigation.

Authorities have not yet established what caused the two vehicles to collide head-on. Investigators are examining evidence from the scene and working to reconstruct the events leading up to the crash. No definitive explanation for the collision has been publicly confirmed.

The incident caused disruption for motorists using the major Gatineau roadway. Drivers were required to seek alternate routes while investigators examined the crash scene and emergency crews completed their work.

Boulevard des Allumettières is an important east-west route through Gatineau, connecting the Aylmer and Hull sectors and forming part of Quebec Route 148. The road carries substantial traffic, making the closure particularly disruptive for people travelling through the area.

Motorists approaching active emergency scenes are urged to slow down, follow police instructions and use designated detours where available.

The investigation into the September 4 Gatineau collision remains ongoing. Authorities are expected to release additional information as the identities of the victims are confirmed and investigators establish more details about how the fatal crash occurred.

For the families involved, the collision has brought an enormous and sudden loss. Two people have died, another remains critically injured, and the community continues to await further information about the circumstances surrounding the devastating crash on Boulevard des Allumettières.