An 18-year-old man was killed when the car he was driving crossed the centre line and smashed head on into a semi-tanker truck.

The crash happened just before 6 p.m. MT Tuesday in the 7700 block of Highway 8 southwest.

The 34-year-old driver of the semi was not hurt but was shaken, according to police. 

Police said neither speed nor alcohol were a factor.

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An 18-year-old man died after his car collided with a semi-trailer Tuesday night. (CBC)

The highway was closed for hours Tuesday night as police investigated.