We remain at the scene and will be for some time. The Forensic Collision investigators are working as efficiently as they can . If you are able to find an alternative route we would suggest you do. Traffic is moving but slow. https://t.co/V0QkURDyv7 Quoted tweet from @SurreyRoadCops: We are currently dealing with a serious injury RTC on the #M25 between the Chertsey Junction, (J11) and J12 for the M3. 3 of 4 lanes are closed. https://t.co/JOeXKLwHjD