There are severe delays at the Dartford Tunnel due to emergency repairs.
Two lanes are shut on the M25 anticlockwise between Dartford and Lakeside after a spillage from a maintenance vehicle during overnight works.
There is congestion back to the Swanley Interchange, as well as long queues on the A2 back towards the M2 at Strood.
A National Highways spokesperson said: “The A282 northbound Dartford East Tunnel is closed following overnight roadworks which are going to overrun their pre-agreed end time due to a maintenance vehicle breakdown within the tunnel which requires emergency resurfacing works before the tunnel can re-open.”
The taller right-hand tunnel needs resurfacing and is expected to stay closed for most of the day.
Traffic is advised to follow the M25 clockwise as an alternative route, through the left-hand tunnel.
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The M25 is also shut clockwise between Junction 5 for Sevenoaks and Junction 6 for Godstone due to a serious lorry fire.
The blaze broke out last night and has also closed the M26 London bound from Junction 2A for Wrotham to Junction 1 for the M25.
Drivers using both routes are being advised to leave extra time for their journeys.
