Complex sentence: The station was designed by the architect David Mocatta, the second station in the town since the London and Croydon Railway (L&CR) had opened its Croydon station (now West Croydon) in June 1839.
Split into simpler sentences: The station was designed by the architect David Mocatta. This was the second station in the town since the London and Croydon Railway (L&CR) had opened its Croydon station (now West Croydon) in June 1839.