Complex sentence: It was originally established as a more direct highway connection between Grande Prairie and High Prairie via Valleyview through the southern Peace Country as an alternative to the historical Highway 2 via Peace River and Fairview.
Split into simpler sentences: It was originally established as a east-west alternative highway to the Highway 2 from north of Grande Prairie to west of High Prairie through the southern Peace Country via Valleyview. It as an alternative to the historical Highway 2 via Peace River and Fairview.