Simplify the following text for a Grade 8 native English-speaking person.
Original: In some cases this was achieved by placing the Victoria line platforms on either side of the existing station , while in others the Victoria line uses one of the older platforms and the existing line was diverted into a new platform .
Simplified: In some cases this was achieved by placing the Victoria line platforms on either side of the existing station . In others the Victoria line uses one of the older platforms and the existing line was diverted into a new platform .