Complex sentence: Amtrak's Northeast Corridor main line and the New Jersey Turnpike cross overhead and this is where the MidTOWN DIRECT trains join the Morristown line from New York.
Split into simpler sentences: Amtrak's Northeast Corridor main line and the New Jersey Turnpike cross overhead. This location is where the MidTOWN DIRECT trains join the Morristown line from New York.