Some Melbourne people might be interested in this.
New x'traps
http://www4.transport.vic.gov.au/vtp/Videos/video38/index.html
Proposed metro system for Melbourne
http://www4.transport.vic.gov.au/vtp/pdfs/melb_metro_rail.pdf
Melbournes new train operator's (Metro) website.
http://www.metrotrains.com.au/