One lane remains closed due to barrier repairs between A47 (Wansford) and A605 / A1139 Fletton Parkway (Peterborough).
A man is due to appear in court this morning charged in connection with the murder of Kevin Lee.
36-year-old Leslie Layton, of Bifield, Orton Goldhay, Peterborough, has been charged with perverting the course of justice and will appear at Peterborough Magistrates' Court.
The body of Mr Lee, 48, from Fletton, Peterborough, was discovered in a ditch in Newborough on Saturday morning. He had last been seen at 2pm on Good Friday and was reported missing at 10.40pm that day.
A post mortem revealed he died as a result of stab wounds.
A 47-year-old man and 30-year-old woman arrested yesterday in connection with the murder remain in custody.
A 32-year-old man and a 23-year-old man also arrested in connection with the murder over the weekend have been released on bail.