Complex sentence: A third freight service, number 640, passes through the station on Sundays on its way to Palmerston North from Wellington, this is the only freight service operation on the Masterton to Pahiatua section of the Wairarapa Line.
Split into simpler sentences: A third freight service, number 640, sometimes passes through the station on Sundays on its way to Palmerston North from Wellington. This is the only scheduled freight service on the Masterton to Pahiatua section of the Wairarapa Line.