The people who dont want the road built are a) inner city hipsters aka The Greens Voters aka Arts Degree experts who dont need to travel anywhere for work anyway b) people who are being relocated which fair enough would suck and c) rusted on anti road movementeers.
We need public transport here desperately. Underground is the only way to expand in Melbourne..
you forgot the rest of the state's voters who don't live in Melbourne and who won't get any use out of it. the whole state doesn't consist of Melbourne alone. quite clearly the ones who want it are in the minority here and consist of the motorists who enjoy driving everywhere.
here in Perth we tried building more roads to fix our congestion problems and it just does not work. if you want to fix congestion you need to get people out of their cars and onto public transport. building more roads encourages people to drive more. generally speaking (over here), we always whinge about traffic congestion and that the money we are spending on roads (widening of the kwinana freeway south and then again on the mitchell freeway north for example) is a waste. most mornings, 4 lanes of traffic heading into the city from north and south and another 3 lanes heading in from the south east (all major freeways) come to a standstill and then do so again heading out in the afternoon.
the trains here are packed to the limit and there isn't enough of them either. and to top that off people even need to pay to park their cars at all train stations and then pay again to get a ticket to get on the train.
although it's a result of the rapid growth of our city and what we have not being able to cope. we're projected to have more people than Brisbane in another 15 years and in another 30 years after that we're projected to be at about 5.5 million and right now we're at about 2 million. so basically we need to more double our infrastructure in 40 years with almost no help from canberra.