Complex sentence: By road from the south, from either, Sydney or Hornsby you can take the F3 expressway at Wahroonga, drive 20 minutes to the Hawkesbury River Bridge and follow the Brooklyn-Mooney Mooney turnoff just after you cross the river.
Split into simpler sentences: By road from the south, from Sydney or Hornsby you can take the F3 expressway. Drive across the Hawkesbury River Bridge and follow the Brooklyn-Mooney Mooney turnoff just after you cross the river.