by A crash on the M25 near Heathrow Airport is said to have stopped all traffic on the clockwise carriageway,
Traffic is backed up following the collision at junction 14, where the road meets the A3133 Airport Road, according to the Inrix traffic monitoring system.
Queues are going back more than three miles, past junction 13 for Staines.
Live traffic cameras showed the emergency services including several ambulances at the scene, around 10am.
It comes after the M25 in Surrey reopened early after the first day of the motorway’s planned closure over the weekend.
A five mile stretch between junctions 10 and 11 was closed in both directions at 9pm on Friday and was due to reopen at around 6am on Monday.
However, after works to lay a bridge and install a large bridge, it reopened at 10pm on Sunday. An 11.5 mile diversion route was created to direct traffic along A roads, causing significant disruption, but the traffic jams were not as bad as many had feared.
Please follow below for updates on London’s public transport and roads.
Key travel issues to note
-
A serious crash has closed the M25 clockwise near Heathrow Airport, causing delays of four miles
-
Heathrow Airport customers stuck in M25 traffic chaos fear to book flights
-
Serious delays on the Bakerloo Line
-
Delays are expected between London Blackfriars and St Pancras until 1pm
Heathrow Airport passengers stuck in hour-long traffic queues fear to book flights
11:51 , Lydia Chantler-Hicks
Frantic Heathrow passengers say they expect to miss their flights, after being caught in a four-mile queue of westbound traffic on the M25 near the airport following a multi-vehicle crash.
One user on X, formerly known as Twitter, wrote at 11.25am: “We are part of the long M25 stop coming into Heathrow for my parents’ flight LHR-SFO at 1:05pm. Traffic doesn’t look like it’s going to move anytime soon.”
Another passenger named Kim Le Geyt wrote that she feared missing her 12.50pm flight from Heathrow to New York. She later said that the traffic was moving, and that she hoped to arrive just in time for BA’s check-in deadline, which was an hour before departure.
Details of the M25 diversion route have been confirmed
11:42 , Lydia Chantler-Hicks
Highways England has clarified the exact diversion route in place, following the closure of the M25 near junction 14.
A spokesman told the Standard to divert traffic from the M25 at junction 14, before entering the roundabout, then rejoining the M25 on the slip road.
Motorists are warned to expect delays of one hour on the M25
11:26 , Lydia Chantler-Hicks
National Highways is warning drivers to expect delays of around an hour and traffic queues for four miles on the clockwise motorway near Heathrow, following this morning’s accident.
Please note that there is a 60 minute delay on the way to the #M25 closed clockwise within J14 @HeathrowAirport after a serious collision.
Traffic is being diverted through the exits and entrances.
There is a 4 mile traffic jam on the way in. pic.twitter.com/S9mYNvqVBJ
— National Highways: East (@HighwaysEAST) March 18, 2024
More than four miles of traffic now queued on the M25
11:16 , Lydia Chantler-Hicks
Traffic queues on the M25 clockwise following an accident near Heathrow Airport are now more than four miles long.
Traffic cameras show all five lanes are heavily congested almost back to junction 12, following the crash near the Heathrow turn at junction 14.
The multi-vehicle accident has closed all clockwise lanes.
Traffic is being diverted via slipways, but National Highways is urging drivers to allow “plenty of extra travel time”.
Delays are expected between London Blackfriars and St Pancras until 1pm
11:08 , Lydia Chantler-Hicks
A track circuit failure is affecting trains traveling between London Blackfriars and London St Pancras International.
National Rail says trains could be delayed by up to 20 minutes. The disruption will last until 1pm.
It affects services between Three Bridges and Bedford; Brighton and Cambridge/Bedford; Horsham and Peterborough; Rainham and Luton; and Sutton and St Albans.
Serious delays on the Bakerloo Line
10:53 , Lydia Chantler-Hicks
There are significant delays on the Bakerloo Line between Queen’s Park and Harrow & Wealdstone and TfL is assisting a passenger who is ill on a train at Queen’s Park.
There are minor delays on the rest of the line, as well as minor delays on the Piccadilly Line between Actontown and Heathrow Terminals.
M25 collision described as ‘serious multi-vehicle accident’
10:30 , Lydia Chantler-Hicks
Traffic monitoring system Inrix describes the collision which closed all clockwise lanes of the M25 near Heathrow Airport as a “serious multi-vehicle accident”.
The road has been blocked since around 9.35am.
Detours are reported to be in place through the exits and entrances.
An accident on the M25 near Heathrow Airport closes the clockwise carriageway
10:12 , Lydia Chantler-Hicks
All clockwise lanes of the M25 near Heathrow Airport have been closed following a crash.
The collision happened at junction 14, and traffic is said to be backed up for around three miles at the moment.
Live traffic cameras show that the emergency services are on the scene, with traffic at a standstill.
A good reformed service on all London Underground lines
09:42 , Lydia Chantler-Hicks
Earlier severe delays on the Northern Line are now over, says TfL. It is said that a good service is now available across all Tube lines.
The Northern Line is now running again but with significant delays
09:10 , Lydia Chantler-Hicks
The Northern Line has now reopened after an earlier partial closure, but there are long delays between Camden Town and Kennington (via Bank) southbound.
Online animal harassment is now over
09:05 , Lydia Chantler-Hicks
TfL says earlier disruption to trains running through Barnes Bridge in south-west London, caused by animals on the railway line, has ended.
Northern Line partially suspended due to broken train
08:45 , Lydia Chantler-Hicks
There is no Northern Line service between Camden Town and Kennington (via Bank) southbound as TfL fixes a faulty train at Euston.
Animals on rail disrupt south west London trains
08:10 , Lydia Chantler-Hicks
Trains passing through Barnes Bridge in south-west London may be canceled or delayed due to animals on the railway line, says National Rail.
The disruption is expected to last until around 10am.
“Train services must run at a reduced speed through this area,” National Rail said.
“London Waterloo to Weybridge services will be diverted between Barnes Bridge and Hounslow also calling at Richmond and Twickenham.”
Two miles of traffic backed up after the M25 crash
07:40 , Lydia Chantler-Hicks
Slow-moving traffic is backing up for around two miles on the M25 anti-clockwise in Essex.
Traffic is on the stretch from junction 29 of the A127 (Romford/Basildon) to junction 28 of the A12 (Brentwood Roundabout/Brook Street).
The Inrix traffic monitoring system says it is following an accident that happened shortly after 6am.
Minor delays on the Piccadilly Line
07:00 , Matt Watts
There are minor delays on the Piccadilly line between Actontown and Bridge of Ux due to train cancellations., TfL reports. The rest of the line is well serviced.
No major disruption to the reopened M25
06:57 , Matt Watts
The M25 in Surrey has reopened eight hours ahead of schedule after the first day of the motorway’s planned closure.
A five mile stretch between junctions 10 and 11 was closed in both directions at 9pm on Friday and was due to reopen at around 6am on Monday.
However, after works to lay a bridge and install a large bridge, it reopened at 10pm on Sunday.
The National Highways South East (NHSE) said on X, formerly known as Twitter: “We would like to say a huge thank you to everyone for being patient and following our travel advice.”
No major disruption was reported on the motorway when it opened this morning after work.
