It happened around 9:30 p.m. Sunday, Aug. 22 in Bellport.
The woman was pushing a shopping cart and walking westbound in the roadway on Woodside Avenue, between Station Road and Curtis Avenue, when she was struck by a 2005 Hyundai traveling westbound, Suffolk County Police said.
The victim, whose name is being withheld pending notification of next of kin, was pronounced dead at the scene by a physician assistant from the Office of the Suffolk County Medical Examiner.
The driver of the Hyundai, a 45-year-old Bellport resident, was not injured.
The vehicle was impounded for a safety check.
Detectives are asking anyone with information on the crash to contact the Fifth Squad at 631-854-8552.
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