Lanes 1, 3 and 4 are currently closed on the M25 clockwise within J13 due to a collision. Please take care on approach and have a safe journey. Post navigation National Highways: South-East retweeted: There are 30 minute delays on the #M25 clockwise between J21A and J22 due to a collision which has now been safely moved to the hard shoulder. Traffic Officers are on scene. Please allow extra time for your journey. Traffic has now been stopped on the #M25 clockwise within J13 to allow Traffic Officers and @SurreyPolice to deal with the collision safely. Thank you for your patience.