One lane of the M23 is closed due to a rolled over vehicle on the northbound carriageway at junction 9, according to travel reports.
Traffic is queueing around the area around half a mile after junction 9.
Lane one of three is closed due to the incident earlier this morning. Lane two reopened at around 9.30am.
A similar incident is also causing delays on the M25 anticlockwise at junction 3 for the M20.