Emergency services including Cambridgeshire and Leicestershire policeare on site of an incident on the A1 at Worthorpe, near Peterborough.
They were called at 6.49am today (January 21) after reports of a lorry hitting the central reservation and overturning.
This is impacting the Southbound Carriageway and motorists have been advised to use alternative routes.
A spokesperson for Leicestershire police said: “We were called at 6.49am to a report of a lorry overturned and had collided into the central reservation.
“The driver was accessed by East Midlands Ambulance Service at the scene for a head injury, our log does not suggest that it is a life threatening/life changing injury.”
Motorists have been advised to check Cambridgeshire Constabulary's social media for updates on the route.