Traffic is queuing on a major commuter route in Berkshire following a serious crash that has led to the closure of the M4 motorway westbound. The incident occurred early on Tuesday, February 17, 2026, just before the morning rush hour, causing significant disruptions for travelers.
Details of the Motorway Closure
The M4 westbound in Berkshire is currently closed between Junction 10 at Winnersh Interchange, which serves Reading (East), Wokingham, and Bracknell via the A329(M), and Junction 11 at Three Mile Cross Interchange, providing access to Reading (Central and South) and Basingstoke via the A33. This closure is in response to what authorities have described as a "serious collision," with emergency services swiftly mobilizing to the scene.
Emergency Response and Ongoing Situation
Thames Valley Police are leading the incident response, coordinating efforts to manage the crash site and ensure public safety. South Central Ambulance Service is also present, providing medical assistance as needed. Additionally, National Highways traffic officers are on location to assist with traffic management and support the emergency operations.
The situation remains ongoing, with traffic building up along the affected stretch of the M4. Commuters and other motorists are advised to seek alternative routes to avoid delays. National Highways has confirmed that updates will be provided as more information becomes available, but drivers should expect prolonged disruptions during this period.
This incident highlights the challenges of motorway safety during peak travel times, underscoring the importance of emergency preparedness and rapid response. Authorities are working diligently to clear the scene and restore normal traffic flow as soon as possible.