A section of the A4155 near Henley and Marlow is expected to be closed "for a number of hours", police said.
The spring snow is disrupting road, rail and air travel, with some sporting events cancelled.
Raymond Morgan inflicted more the 20 stab wounds on the victim.
Bits and pieces from the last week
Readers' snaps sent to us
Rob Dickie's first goal for Oxford helps them to victory over Peterborough, who have Jack Baldwin sent off late on.
Details of BBC Sport's live TV and online coverage of the 2018 Boat Races between Oxford University and Cambridge University on the River Thames.
About these results
Paul Miller Soul Show
10 amazing facts about coral reefs
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