Figure 50 shows trips in Sydney-Newcastle-Wollongong by origin/destination (O/D), across road and public transport modes, in terms of DEC for 2011 and projected DEC for 2031. The O/D regions used here are SA3 regions as defined by ABS.278
This analysis shows that the Sydney Inner City region is the largest O/D for trips within Sydney-Newcastle-Wollongong, by a significant margin. Other O/D regions for which high levels of growth are projected between 2011 and 2031 are Botany, regions in the south-west and north-west Sydney growth areas (Camden, Bringelly-Green Valley, Liverpool, Baulkham Hills) and regions with major employment centres (Chatswood, Ryde-Hunters Hill, Merrylands-Guildford and Eastern Suburbs South).
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278. SA3s provide a standardised regional breakup of Australia and generally (although not always) have populations between 30,000 and 130,000 persons.