Police are looking for witnesses to a dangerous driver seen weaving through traffic while heavy roadworks were taking place.
The silver Ford Galaxy was spotted at around 12.30pm last Friday near the Elveden memorial.
At one point the vehicle was involved in a dangerous manoeuvre involving a white van while both vehicles were in motion, according to police.
The Galaxy was last seen on the outskirts of Thetford.
Heavy traffic was passing through the area at 20mph during the incident, while roadworks to dual the A11 are taking place.
Officers would like to speak to anyone who was travelling in this area last Friday lunchtime and may have witnessed the driver’s actions.
Call Pc Andrew Barkway at Poringland Police Station on 101.