Complex sentence: The station was noted for its complex set of diamond crossings to the east of the station which facilitated access to the High Level Bridge and northbound East Coast Main Line and was said to be the greatest such crossing in the world.
Split into simpler sentences: The station was famed for its highly complex set of diamond crossings to the east of the station. This facilitated access to the High Level Bridge and northbound East Coast Main Line and was said to be the greatest such crossing in the world.