One lane is closed after the collision on M23 southbound before Junction 9 (Gatwick Airport). According to traffic reports, lane one of four is closed. Traffic is said to be coping well. The crash comes a day after a serious multi-vehicle collision, involving police cars, shut the M23 for more than seven hours. Here's everything we know so far about this incident. Have you read?: Man, 54, dies after collision in East Sussex Hottest place in UK likely to be tiny Sussex village which time forgot Motorcyclist airlifted to hospital with 'potentially life-changing injuries' after collision in East Sussex village