Comparisons

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
Western AustraliaSouth AustraliaQueensland

Western Australia vs. the other two most closely populated regions in Australia: South Australia and Queensland

Western Australia in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Western Australia peaked in 1991-2005. To get a sense of how street development has changed in Western Australia, we can consider three of its most populous cities: Perth, Rockingham and Mandurah. Out of the three cities, Rockingham does not follow the same trend as the region. The level of street-network sprawl in new development in Rockingham fell steadily.

Western Australia in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Western Australia is Rockingham with an SNDi of 3.8, which is relatively sprawly. Conversely, the most connected city is Butler with an SNDi of 2.62, which is relatively well-connected. See trends for these cities: Butler, Rockingham

The level of street-network sprawl in the aggregate network in Western Australia peaked in 1991-2005. To get a sense of how the aggregate street network has changed in Western Australia, we can consider three of its most populous cities: Perth, Rockingham and Mandurah. Out of the three cities, Rockingham does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Rockingham fell steadily.