Police are still asking for the public's help following a two-car crash about 9.45am on Wednesday at the intersection of Rangitikei St and Anzac Pde in Whanganui.
Following the crash, one of the vehicles, a small white Toyota Opa, left the scene before officers could speak with the driver.
The vehicle is thought to have sustained a significant amount of damage to the front.
"After the collision [the vehicle] headed back up Rangitikei St towards Eastown Rd," Constable Trevor Scarrow said.
"It has severe frontal damage."