Complex sentence: Highway 28 is a provincially maintained highway in Ontario, Canada, running southwest-northeast from Highway 7 east of Peterborough, to Highway 41 in Denbigh.
Split into simpler sentences: Highway 28 is a provincially maintained highway in Ontario, Canada. The southern-most point of this highway is Highway 7 east of Peterborough, and the northern-most point is Highway 41 in Denbigh.