The average train between Union and Princeton takes 2h 19m and the fastest train takes 1h 35m. There is a train service every few hours from Union to Princeton. 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 hourly between Union and Princeton. The earliest departure is at 4:56 AM at night, and the last departure from Union is at 10:19 PM which arrives into Princeton at 12:39 AM. All services require a transfer at Secaucus Upper Level and take an average of 2h 19m. The schedules shown below are for the next available departures.


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Want to know about travelling from Union to Princeton? 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 Union to Princeton. However, there are services departing from Union station and arriving at Princeton station via Secaucus Upper Level. The journey, including transfers, takes approximately 2h 19m.
Union to Princeton train services, operated by NJ Transit, depart from Maplewood station.
Union to Princeton train services, operated by NJ Transit, arrive at Princeton Jct. station.
The distance between Union and Princeton is 51.2 km. The road distance is 95 km.
You can take a train from Maplewood to Princeton via Secaucus Upper Level and Princeton Jct. in around 2h 10m.