The OPP are looking for a person missing since Thursday night.
Police say the woman and a male passenger were travelling to Thunder Bay from Waterloo.
On Thursday around 7:49, a man was reported walking along Highway 527 between Fensom Road and Mawn Lake Road.
He had been a passenger in a white Dodge Challenger but left the vehicle when it had mechanical issues.
The OPP say the missing woman is 52-year-old Sally Elizabeth Loewen, who is described as a middle-aged Caucasian female, 5’2 ft (157 cm) in height, blonde hair & potentially operating a white 2015 Dodge Challenger bearing Ontario license plate # 345XEN.
Anyone who has information in relation to this investigation, or has had any contact with Sally, is encouraged to contact the Thunder Bay OPP at 1-888-310-1122. Should you wish to remain anonymous, contact Crime Stoppers at 1-800-222-8477 (TIPS) or ontariocrimestoppers.ca,