I think train stations are a good gauge. Although I understand the city circle would be a bit of an anomaly since many youths travel to the city to party on weekends, with most offenders probably from the west.
"ASSAULTS and sexual assaults on train passengers are on the rise across the network, with stations in the CBD and in Sydney's west and south-west the most dangerous in the state, confidential police figures reveal.
The five locations with the highest number of bashings were Sydney's City Circle stops, Blacktown, Campbelltown, Parramatta and Penrith stations. "
