Police are appealing for any late-night drivers to come forward after a crash near Preston.
Two pensioners are in hospital following the collision on the A59 at Rufford.
A Toyota Auris was waiting to turn right at the Liverpool Road junction with Croston Road when it collided with an MG Mark 2 car heading towards Liverpool.
The Mark 2 driver, a 66-year-old Aughton man, suffered an injury to his face and the passenger, a 67-year-old from Aughton, has chest and pelvic injuries.
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They were both taken to Royal Preston Hospital following the incident on Friday (7 July) around 10.25pm.
Sergeant Lee Harris said: “We want to speak to anyone who was in the area at the time and saw what happened as they may have important information that could assist with our investigation.”
If you have any information, please call 101 quoting incident reference 1794 of July 6th.