The truck and trailer then proceeded off onto the north median still traveling in a northeasterly direction. The truck and trailer drove over a light standard which was located on the boulevard. The combination then went over a large advertising sign with a cement base. The entire unit then came to rest with the trailer wheels up against the cement base.
The operator of the vehicle was likely suffering from a medical condition prior to this collision taking place. The operator was pronounced deceased a short time later at the Peter Lougheed Medical Center. No other vehicles or pedestrians were involved in this collision.
Members of the Calgary Police Service, Traffic Response Unit 2 continue to investigate the cause of the collision.