Motorists travelling on Sydney’s M5 Motorway faced lengthy delays on Wednesday after a serious multi-vehicle crash near Hammondville prompted a major emergency response and forced the closure of two westbound lanes.
Police, firefighters, ambulance crews, and rescue specialists were called to the scene after reports that several vehicles had collided, with early information indicating that multiple occupants were trapped inside damaged vehicles.
Incident Details
Incident: Multi-vehicle traffic collision
Location: M5 Motorway westbound, Hammondville, New South Wales, Australia
Date: July 1, 2026
Road Impact: Two of three westbound lanes temporarily closed
Traffic Conditions: Heavy congestion extending toward Revesby
Injuries: Not available at the moment
Vehicles Involved: Not available at the moment
Cause of Crash: Under investigation
Rescue Operation Unfolds on Busy Motorway
The collision occurred on the westbound side of the M5 near Hammondville, one of Sydney’s busiest transport corridors.
Following emergency calls, multiple agencies responded to the scene, where firefighters and specialist rescue crews worked to safely reach occupants trapped inside the damaged vehicles. At the same time, NSW Ambulance paramedics assessed those involved and provided treatment while preparations were made to transport anyone requiring hospital care.
Authorities have not yet confirmed how many people were involved or the severity of any injuries.
Major Traffic Delays Across the M5
The emergency response significantly affected traffic during the operation.
Two westbound lanes were closed while rescue crews worked, leaving only one lane available for passing traffic. The restrictions quickly created heavy congestion, with traffic backing up toward Revesby and causing lengthy delays for commuters and freight vehicles travelling through the area.
Drivers were urged to reduce speed when approaching the incident, follow directions from emergency personnel, and consider alternative routes until normal traffic conditions could be restored.
Investigation Underway
Once rescue operations were completed, police began examining the crash scene to establish how the collision occurred.
Investigators are expected to assess vehicle damage, roadway conditions, witness accounts, and any available dashcam or traffic camera footage as part of the investigation.
At this stage, authorities have not indicated whether speed, mechanical failure, weather conditions, driver error, or any other factor contributed to the crash.
Emergency Crews Focus on Safety
While investigators carried out their work, emergency crews also focused on removing damaged vehicles and clearing debris from the motorway to safely reopen the affected lanes.
Police maintained traffic control throughout the operation to protect both emergency responders and motorists travelling through the area.
More Information Expected
Officials have not released further information regarding those involved, and the investigation remains ongoing.
Motorists are encouraged to continue monitoring official traffic updates before travelling along the M5, as delays may continue while recovery operations are completed.
Additional information is expected to be released once authorities have confirmed the number of vehicles involved, the extent of any injuries, and the circumstances that led to the collision.