Your Guide to the Trenton–Princeton Metro

New Jersey's state capital anchors a compact metro spanning Mercer County along the Delaware River and the Northeast Corridor between Philadelphia and New York. Discover Trenton — home to the New Jersey State House, Princeton University and the Institute for Advanced Study, the College of New Jersey in Ewing, the historic Battle of Trenton grounds, the 58-minute NJ Transit commute to Penn Station New York, and easy SEPTA access to Center City Philadelphia.