Police say a woman found dead in the middle of the Waikato Expressway on Anzac Day appears to have been struck by more than one vehicle.
37-year-old Sarah Bromley was found on State Highway One at Mercer, near the petrol station around 2:30am.
Detective Sergeant Sam Rice says they want to speak to anyone who may have seen a person walking along the highway, or who may have given a lift to anyone.
He says they are in the process of piecing together Ms Bromley's movements in the lead up to her death.
Police are particularly interested in speaking to the driver of a white vehicle who dropped a person off near the 'Podges Place' pub in Mercer at about 2am, just before the incident.
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