Complex sentence: The main thoroughfare for long distance travel is the New Jersey Turnpike, the nation's 5th busiest toll road, and the Garden State Parkway connects the State's densely populated northern section to its southern shore region.
Split into simpler sentences: The main thoroughfare for long distance travel is the New Jersey Turnpike, the nation's 5th busiest toll road. The Garden State Parkway connects the state's densely populated north to its southern shore region.