UPDATE at 8.50pm – our website is now back up and running. Thanks for your patience. ☺️ Post navigation Update: All lanes are now open on the #M25 anti-clockwise between J10 (#A3) and J9 (#Leatherhead) following an earlier collision. There is congestion of 5 miles following this incident causing delays of 20 mins above normal journey time. Please allow time for delays to clear. @Unrealt87 Please send us a direct message.