Highway 16A was shut down in both directions west of Stony Plain on Thursday evening after police said a man walking on the road was killed when he was hit by a vehicle.
An RCMP spokesperson said the driver of the vehicle involved remained at the scene.
Police said the officers were called to the scene at 5:37 p.m. They added that the highway was expected to remain closed for several hours while police investigate what happened.
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The RCMP said no charges will be laid in connection with the death.
The crash in Parkland County happened about 25 kilometres west of Edmonton.