Complex sentence: This line follows the Auckland-Newmarket Line from Britomart to Newmarket, the North Auckland Line to Westfield, and the North Island Main Trunk Railway to Pukekohe.
Split into simpler sentences: This line follows the Auckland-Newmarket Line from Britomart to Newmarket, and from Newmarket it follows the North Auckland Line to Westfield. From Westfield it follows the North Island Main Trunk Railway to Pukekohe.