2025 Metro Map. The metro tunnel will double the size of melbourne’s underground rail network as we move towards becoming australian’s biggest city. Well, although it's sad to not see the c (green) line norwalk metrolink extension on the map, it's understandable since this is a 2025 vision map.

If you analyse the map, the majority of the lines already exist, yellow line is 75% done. The construction of namma metro phase 3 is likely to commence in 2025 and end by 2035.