Complex sentence: The Gunbarrel Highway is an isolated desert track in the Northern Territory, South Australia and Western Australia, and it consists of 1400km of washaways, heavy corrugations, stone, sand and flood plains.
Split into simpler sentences: The Gunbarrel Highway is an isolated desert track in the Northern Territory, South Australia and Western Australia. It consists of about of washaways, heavy corrugations, stone, sand and flood plains.