By providing a Commuter Car Park at Doonside, there would more people jumping into or using public transport. Train timetables are still a problem. 7.36am trains service from Doonside is completely packed in the morning, leaving standing room only at Seven Hills (if lucky). Maybe add another train service in the middle of the following train services: 7.18am to 7.36am.
This would provide better train service to Donside trains commuters and place more people with comfort.