Drivers are facing delays on the A14 after a collision between Fenstanton and Swavesey this afternoon.
Emergency services were called to the eastbound carriageway between junction 27 and junction 28 at about 3.15pm today (Thursday) to reports of an incident.
One lane is blocked, along with the hard shoulder, and traffic is queuing back to near junction 23 for Huntingdon Racecourse.
According to Highways England drivers could face delays of one and half hours as work is underway to clear the accident.
A spokesman for the East of England Ambulance Service said a man has been treated for minor injuries following the incident and has been taken to Hinchingbrooke Hospital by ambulance.
The incident is expected to clear by 6.15pm.