Complex sentence: However the original Wallingford railway station and the last segment of the line have long been built on, and the line now terminates at a makeshift station at the line's headquarters adjacent to the site of the maltings that kept the line alive into the preservation era.
Split into simpler sentences: However the original Wallingford railway station and the last segment of the line have long been built on. The new station is adjacent to the site of the maltings that kept the line alive into the preservation era.