At 3:11pm on Tuesday, 13 October, we received reports of a road traffic collision on the northwest slip road between M25 and M4.
One Royal Berkshire Fire and Rescue Service crew from Langley Fire Station and two crews from Slough Fire Station were sent to the scene.
Upon arrival, crews found a collision involving an overturned lorry leaking fuel. Crews made the scene safe, before handing the scene over to National Highways.
Crews were on scene for approximately 44 minutes.