Western Sydney Traffic Chaos Following Multi-Vehicle Crash on M4 at Greystanes – March 13, 2025

What happened

Incident Overview

A multi-vehicle crash involving a truck, a ute, and a third vehicle has caused significant traffic chaos on the M4 Motorway in Greystanes , Greater Western Sydney, during the Thursday morning peak hour on March 13, 2025 . The crash occurred at approximately 6:30 am in the westbound lanes, with one of the vehicles—a ute—rolling onto its roof upon impact. Five people sustained minor injuries but declined hospital transport after being treated by paramedics.

Two out of three westbound lanes were closed for several hours as emergency services worked to clear the scene. Although all lanes have since reopened, heavy congestion persists in both directions, prompting authorities to urge motorists to allow extra travel time or seek alternative routes.

According to NSW Police, the collision involved three vehicles traveling in the westbound lanes of the M4 Motorway. The ute rolled onto its roof following the impact, while the other two vehicles sustained significant damage. Emergency services arrived promptly to assess the scene, treat the injured, and manage traffic flow.

Paramedics treated five individuals for minor injuries, all of whom declined further medical treatment or transportation to the hospital. There were no reports of serious injuries or fatalities.

The crash occurred on the M4 Motorway in Greystanes , a suburb in Greater Western Sydney, during the Thursday morning rush hour at approximately 6:30 am on March 13, 2025 . The collision happened just past Ettalong Road in the westbound lanes, causing widespread delays and disruption to commuters.

• A truck.
• A ute, which rolled onto its roof upon impact.
• A third vehicle, the type of which has not been specified.

The crash left debris scattered across the motorway, requiring emergency crews to spend several hours clearing the scene and reopening lanes.

• Five people sustained minor injuries but declined hospital transport after receiving treatment at the scene.
• No fatalities or serious injuries were reported.

The crash caused major disruptions for commuters in Western Sydney, with traffic queues extending for kilometers in both directions. City-bound traffic was backed up to Colyton , while westbound traffic stretched back to Clyde . The incident highlights the vulnerability of high-traffic corridors like the M4 during peak hours and the ripple effects that even minor crashes can have on regional traffic networks.

Authorities urged patience and caution, reminding drivers to remain vigilant and consider alternative routes during busy periods.

Emergency Response

Emergency services, including police, paramedics, and traffic management teams, responded swiftly to the crash site. Two out of three westbound lanes were closed for several hours to allow crews to safely clear debris and address hazards. All lanes were eventually reopened, but significant traffic congestion remained due to the morning peak hour and residual delays.

Transport NSW issued updates throughout the morning, advising motorists of ongoing delays and recommending alternative routes such as the Great Western Highway to avoid the affected area.

Investigation

NSW Police are investigating the cause of the crash, focusing on factors such as speed, driver behavior, road conditions, and whether any vehicles may have malfunctioned. Investigators are also reviewing the sequence of events leading to the collision, particularly how the ute rolled onto its roof.

Authorities are appealing for witnesses or anyone with dashcam footage to come forward to assist with their inquiries.