@LovesTha @ajsadauskas @Railison @Baku Level crossing removal is good for a whole bunch of reasons, including (by my understanding) that it's a necessary requirement before you can get started with high frequency trains. Same goes for modernising the signalling system that IIRC was designed in the 1970s.
Victoria's public transport has had decades of dismal stagnation following the failed neoconservative experiment with privatisation. There was bare minimum of maintenance and little in the way of updates until recently. Lately, we've had serious effort put into level crossing removal, new trains, signalling upgrades, route extensions, and tunneling. Good to see progress but we still have a long way to go if we want Melbourne to have a modern metro.