News Oshawa man dies in single vehicle collision SHARE ON: Smith Autumn, contributor, Monday, May. 5th, 2014 A single vehicle crash today resulted in the death 68-year-old Oshawa resident, Thomas Barker. Haliburton OPP responded to the collision around 6 pm on Buckslide Road north of Carnarvon. Reports state a medical condition may have been a factor. The collision is current under investigation.