The average train between Somerville and Princeton Junction takes 2h 3m and the fastest train takes 1h 34m. There is a train service every few hours from Somerville to Princeton Junction. 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 Somerville and Princeton Junction. The earliest departure is at 4:34 AM at night, and the last departure from Somerville is at 11:40 PM which arrives into Princeton Junction at 1:58 AM. All services require a transfer, and take on average 2h 3m. The schedules shown below are for the next available departures.

2h • 1 change

1h 39m • 1 change

1h 38m • 1 change

1h 51m • 1 change

2h 5m • 1 change

2h 5m • 1 change

2h • 1 change

1h 39m • 1 change

2h 5m • 1 change

2h 5m • 1 change

2h • 1 change

1h 39m • 1 change
Want to know about travelling from Somerville to Princeton Junction? 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 Somerville to Princeton Junction. However, there are services departing from Somerville station and arriving at Princeton Junction station via Newark Penn Station station. The journey, including transfers, takes approximately 2h 3m.
Somerville to Princeton Junction train services, operated by NJ Transit, depart from Somerville station.
Somerville to Princeton Junction train services, operated by NJ Transit, arrive at Princeton Jct. station.
The distance between Somerville and Princeton Junction is 28.6 km. The road distance is 106 km.
You can take a train from Somerville to Princeton Jct. via Newark Penn Station in around 2h 5m.