CALGARY -- One man is dead after a car crashed into the back of a semi-trailer truck on the southeast portion of the ring road early Thursday morning. 

Emergency crews responded just after 4:45 a.m. to the crash on Stoney Trail near 114th Avenue S.E.

A Honda HR-V and a transport truck were both travelling northbound when the collision occurred.

The male driver, the lone occupant of the car, was pronounced dead on scene. EMS say the deceased was in his 30s.

There have been no reports of injury to the driver of the semi and EMS confirms no one was transported from the scene.

The exact cause of the crash is not known at this time. The CPS traffic unit has begun an investigation into the fatal collision.

Northbound Stoney Trail was closed from 114 Avenue S.E. to Glenmore Trail S.E. for several hours but reopened shortly after 10 a.m.