Melbourne's commuters face crush level public transport conditions within 16 years as residents turn to buses, trains and trams.

An Infrastructure Australia report has found one in six Australians used public transport to get to work, but that is likely to change.  The Craigieburn, Sunshine, Werribee and Dandenong train lines will come under extreme pressure from a growing population by 2031. Premier Daniel Andrews said the report validated his…