Unlimited Digital Access / Get £25 off your Annual Digital Subscription! Use code 25OFF
GET STARTEDMore on KentOnline
The A2 has reopened between Whitfield and Lydden after two crashes involving five cars.
Police have closed the London-bound carriageway.
Kent Highway Services have issued the warning for drivers to find alternative routes.
Emergency services are in attendance.
Matt Watson of Kent Highway Services said: "A streetlight has also been hit.
"Use an alternative route. Please avoid the area if possible."