Complex sentence: South of Beaverdams Road, Highway 406 is a conventional two-lane highway with at-grade intersections, however, widening and conversion to a full freeway is planned to commence in the summer of 2006.
Split into simpler sentences: South of Beaverdams Road, Highway 406 is a conventional two-lane highway with at-grade intersections. Widening and conversion to a full freeway is planned to commence in the summer of 2006.