The M23 southbound near Gatwick Airport has been closed following a serious collision in the early hours of Wednesday, July 8, causing severe delays and heavy traffic congestion.
Crash details and emergency response
National Highways confirmed the closure on the M23 southbound at Crawley between junction 9 and junction 10, near Gatwick Airport. All emergency services, including Sussex Police and South East Coast Ambulance Service, rushed to the scene. A National Highways spokesperson said: "The M23 southbound at Crawley, between J9 and J10 near Gatwick Airport, has been closed following a serious collision."
Traffic impact and delays
AA Roadwatch reported severe delays of 44 minutes on the M23 southbound between the M23 and junction 9 (Gatwick Airport), with average speeds of just five mph. Initial incident logs indicate first calls reporting the crash were received just after midnight. One mile of traffic congestion is being reported, with major delays already experienced by motorists in surrounding areas.
Diversion route confirmed
National Highways has confirmed a diversion route for motorists. A spokesperson stated: "Road users are advised to follow the hollow diamond diversion symbol on road signs." The recommended diversion route is as follows: Exit the M23 southbound at junction 9 onto the Gatwick Spur, then take the second exit to junction 9A. At junction 9A (Airport Way Roundabout), take the second exit towards North Terminal/Redhill. At the next roundabout, take the fourth exit onto the A23 London Road towards Crawley/Redhill. At the Longbridge roundabout, take the fourth exit to turn back and join the A23 eastbound. Remain on the A23 for approximately four miles to reach the Tushmore roundabout with the A2011/A2219. Take the first exit onto the A2011 and continue to re-join the M23 at junction 10.
Ongoing situation
This is a breaking news event, and updates are expected as the situation unfolds. Traffic caught within the closure is being turned around to exit at junction 9. National Highways confirmed that delays initially reported as 10 minutes on approach have escalated significantly.
