Complex sentence: Bush Hill Park railway station is in the London Borough of Enfield in north London, and is in Travelcard Zone 5, on the Enfield Town branch of the Lea Valley Lines.
Split into simpler sentences: Bush Hill Park railway station is located at Bush Hill Park in the London Borough of Enfield, north London. The station is within Travelcard Zone 5, on the Enfield Town branch of the Lea Valley Lines.