The province's Special Investigation Unit continues to investigate what is now a fatal crash in Courtland last month.
Shortly after 2 p.m. on March 31, the driver lost control on Main Street and slammed into a tree.
The driver was airlifted to a London hospital with life-threatening injuries. The SIU says the driver was pronounced dead in hospital on April 8.
Oxford OPP tried to pilled over the same vehicle earlier in Tillsonburg that day.
Highway 3 was closed between Byerlay Side Road and King Crescent for the investigation.