Raritan is a New Jersey Transit railroad station on the Raritan Valley Line, in Raritan, Somerset County, New Jersey, United States, north of the town center on Thompson Street. The station building is south of the tracks in the main parking lot and was built in the early 1890s. There are also three other small lots for this station. Raritan is the westernmost stop served by most Raritan Valley Line trains, as well as daily service.