Complex sentence: The highway reduces to a single carriageway and goes through Bouvard, Herron and Lake Clifton which becomes a dual carrigeway at Grove Road and passing turnoffs to Preston Beach, Myalup and Binningup.
Split into simpler sentences: The highway reduces to a single carriageway and goes through Bouvard, Herron and Lake Clifton. The road becomes a dual carrigeway at Grove Road and passing turnoffs to Preston Beach, Myalup and Binningup.