Traffic analyst Inrix warned: ‘Congestion to Pepper Hill back past Gravesend, and over two miles of onlookers back to the M2 at Strood.
A car rolled over after a crash involving two vehicles which happened between the A277 (Gravesend) and the M2 junction 1 (Rochester).
Driver of one of the vehicles sustained a leg injury, Kent Police said.
A driver was injured after a serious crash near the M25 in Kent.
The A2 has shut in Kent after a collision near Gravesend this morning.
