M23 Accident Traffic Live Updates: A fatal crash on the M23 near Gatwick Airport has caused major disruption for motorists after a serious overnight collision forced the closure of a key stretch of the southbound motorway. Sussex Police, National Highways and emergency services remain at the scene while investigators examine the circumstances surrounding the incident.
The closure has triggered long traffic queues on the M23, M25 and surrounding roads, affecting commuters and travellers heading to the Gatwick Airport. Here are the latest live updates on the M23 accident, road closures, diversion routes, traffic conditions and reopening status.
The incident occurred shortly before 1 am BST on Wednesday on the southbound carriageway of the M23 near Junction 9 for Crawley and Gatwick Airport. Emergency services responded after receiving reports of a serious single-vehicle collision. Police later confirmed that the crash was fatal, prompting a full investigation.
National Highways immediately closed the affected section of the motorway to allow emergency responders, collision investigators and recovery teams to work safely. The incident has led to widespread disruption for motorists travelling through Surrey and West Sussex, with congestion building throughout the morning.
The fatal collision happened on the M23 southbound at Junction 9 (Gatwick Airport/Crawley). The closure currently affects the stretch between:
The location is one of the busiest motorway links connecting London, the M25 and Gatwick Airport, making the closure particularly disruptive during peak travel hours.
Authorities have confirmed that one person died in the collision. At present:
The identity of the deceased has not been released as officers continue notifying the next of kin.
Sussex Police have confirmed that the collision involved a van travelling southbound on the M23.
Investigators have not yet disclosed what caused the vehicle to crash or whether any other factors contributed to the collision. The damaged van remains part of the ongoing forensic investigation.
Sussex Police confirmed they are managing the scene of the fatal collision and have appealed for witnesses to assist the investigation. The force said, “Police are managing the scene of a fatal collision on the M23 southbound at Junction 9 at Crawley this morning, 8 July.”
It added, “The southbound carriageway there is likely to be closed all morning following the collision, which happened just before 1 am.” Police are asking anyone who witnessed the crash or has dashcam footage to email collision.appeal@sussex.police.uk, quoting Operation Oakcross.
The following roads remain affected:
Motorists are advised to expect significant delays throughout the area.
National Highways has implemented an official diversion route. Drivers travelling south should:
Motorists should also follow the hollow diamond diversion symbols displayed on roadside signs.
Traffic remains extremely busy around Gatwick Airport and the surrounding motorway network. Authorities are advising motorists to:
Emergency services continue working at the scene, and delays are expected to continue while the investigation remains active.
The southbound carriageway will remain closed until Sussex Police complete their forensic investigation and recovery teams remove the damaged vehicle.
National Highways has not confirmed an exact reopening time. Earlier estimates suggested the motorway could remain shut until later on Wednesday, but officials say the reopening will depend on when investigators finish examining the scene.
Motorists are advised to monitor official updates from Sussex Police and National Highways before travelling, as the reopening timeline may change depending on conditions at the crash site.
M23 Accident Traffic Live Updates: National Highways has confirmed that the M23 southbound will remain closed until at least early afternoon following the fatal single-vehicle collision that claimed one person's life. The crash occurred shortly before 1 am on Wednesday (July 8) between Junction 8 (near Merstham) and Junction 10 (Crawley), with the carriageway fully closed from around 1:20 am. Emergency responders from Sussex Police and the South East Coast Ambulance Service attended the scene, where a full collision investigation remains underway. National Highways said: "Sussex Police investigations remain ongoing and will continue to take place throughout the day. The carriageway is...
M23 Accident Traffic Live Updates: London Gatwick Airport has advised passengers travelling by road this morning (July 8) to allow extra time for their journey following the fatal collision on the M23.
The airport said the M23 southbound remains closed between Junction 8 (near Merstham) and Junction 10 (Crawley) due to a serious road traffic collision. Travellers heading to the airport by car, taxi or bus are urged to plan, expect delays and use alternative routes where possible.
While the airport remains fully operational, congestion on roads approaching Gatwick is expected to continue until the motorway reopens.