Complex sentence: Upon exiting the large forested area that exists near the border the road enters farmland, this farmland continues as a patchwork of pastures for the rest of the journey within New South Wales and is only interrupted by the occasional town.
Split into simpler sentences: Upon exiting the large forested area that exists near the border, the road enters farmland. This farmland continues as a patchwork of pastures for the rest of the journey within New South Wales and is only interrupted by the occasional town.