This story has been updated to include a statement from the Austin Police Department.
Solomun Weldekeal-Araya, the big rig driver who last month was charged with intoxication manslaughter and intoxication assault in connection to a fatal multi-car collision on Interstate 35 in North Austin, tested negative for drugs and alcohol.
That finding was confirmed Friday by Weldekeal-Araya’s attorney and the Austin Police Department based on the results of a blood draw analyzed by a private lab…