The average train between Princeton Junction and Somerville takes 2h and the fastest train takes 1h 32m. There is an hourly train service from Princeton Junction to Somerville. 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 Princeton Junction and Somerville. The earliest departure is at 12:15 AM at night, and the last departure from Princeton Junction is at 10:17 PM which arrives into Somerville at 1:20 AM. All services require a transfer, and take on average 2h. The schedules shown below are for the next available departures.

1h 34m • 1 change

1h 37m • 1 change

1h 46m • 1 change

1h 44m • 1 change

2h 4m • 1 change

1h 34m • 1 change

1h 37m • 1 change

1h 46m • 1 change

2h 4m • 1 change

1h 34m • 1 change

1h 37m • 1 change

1h 46m • 1 change
Want to know about travelling from Princeton Junction to Somerville? 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 Junction to Somerville. However, there are services departing from Princeton Junction station and arriving at Somerville station via Newark Penn Station station. The journey, including transfers, takes approximately 2h.
Princeton Junction to Somerville train services, operated by NJ Transit, depart from Princeton Jct. station.
Princeton Junction to Somerville train services, operated by NJ Transit, arrive at Somerville station.
The distance between Princeton Junction and Somerville is 28.6 km. The road distance is 106 km.
You can take a train from Princeton Jct. to Somerville via Newark Penn Station in around 2h 25m.