Complex sentence: The station consists of 3 platforms, an island platform (platforms 1 and 2) accessible via a pedestrian walkway plus a separate platform (platform 3), it holds a Premium Station status, and also marks the end of Zone 1 on the Frankston line.
Split into simpler sentences: The station consists of 3 platforms, an island platform (platforms 1 and 2) accessible via a pedestrian walkway plus a separate platform (platform 3). It holds a Premium Station status and also marks the end of Zone 1 on the Frankston line.