The average train between Princeton University and Union Square takes 1h 28m and the fastest train takes 1h 7m. The train runs at least 2 times per hour from Princeton University to Union Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 30 minutes between Princeton University and Union Square. The earliest departure is at 12:44 AM at night, and the last departure from Princeton University is at 11:49 PM which arrives into Union Square at 1:36 AM. All services require a transfer at Princeton and take an average of 1h 28m. The schedules shown below are for the next available departures.

1h 30m • 1 change

1h 28m • 1 change

1h 38m • 1 change

1h 29m • 1 change

1h 25m • 1 change

3h 24m • 1 change

1h 19m • 1 change

1h 27m • 1 change

1h 25m • 1 change

3h 24m • 1 change

1h 19m • 1 change

1h 27m • 1 change
Want to know about travelling from Princeton University to Union Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Princeton University to Union Square. However, there are services departing from Princeton University station and arriving at Union Square station via New York Penn Station station. The journey, including transfers, takes approximately 1h 28m.
Princeton University to Union Square train services, operated by NJ Transit, depart from Princeton Jct. station.
Princeton University to Union Square train services, operated by NJ Transit, arrive at New York Penn Station.
The distance between Princeton University and Union Square is 71.3 km. The road distance is 82 km.
NJ Transit operates a train from Princeton Jct. to New York Penn Station every 30 minutes. Tickets cost $2–21 and the journey takes 1h 20m.