Complex sentence: The station is serviced by three trains per hour off peak into the City: one Blue Mountains train terminating at Sydney Terminal and two suburban trains continuing through the city on to either Hornsby or Berowra.
Split into simpler sentences: The station is serviced by three trains per hour off peak into the City. One Blue Mountains train terminating at Central and two suburban trains continuing through the city on to either Hornsby or Berowra.