Part of Wallasey in Merseyside was closed earlier as the procedure was carried out to help with the investigation.
Father-of-two PC Phillips, 34, died on 5 October when he was hit by the vehicle.
Clayton Williams, 18, has been charged with murder and a trial has been scheduled to take place in March 2016.
He is also accused of attempting to wound another officer, aggravated theft of a motor vehicle and burglary.
The Wallasey Docks Link Road was closed from 11:00 GMT from the M53 to the roundabout where Wallasey Bridge Road and Poulton Bridge Road begin.
The roads were expected to reopen from about 12:00.
Four other people have been charged with offences in connection with PC Phillips's death.
Police are reconstructing the alleged murder of PC Dave Phillips, who died after being struck by a pick-up truck.