The level of street-network sprawl in new development in South Australia peaked in 1991-2005. To get a sense of how street development has changed in South Australia, we can consider three of its most populous cities: Adelaide, Huntfield Heights and Elizabeth North. Disconnectivity in the most populous cities in South Australia follow the same region trend.

How do development practices in South Australia fare in comparison to others in Australia? Most recently in 2006-2020, street construction in South Australia was the 4th-most disconnected out of the 7 regions in Australia. Its position in the ranks since 1975 has fallen; relative to other regions in Australia, street construction in South Australia has become more connected. South Australia ranked 2nd in 1975, 4th in 1976-1990, 4th in 1991-2005 and 4th in 2006-2020.

As of 2020, the city with the most disconnected street network in South Australia is Elizabeth North with an SNDi of 3.73, which is relatively sprawly. Conversely, the most connected city is Adelaide with an SNDi of 2.68, which is relatively well-connected. See trends for these cities: Adelaide, Elizabeth North

The level of street-network sprawl in the aggregate network in South Australia rose steadily. To get a sense of how the aggregate street network has changed in South Australia, we can consider three of its most populous cities: Adelaide, Huntfield Heights and Elizabeth North. Out of the three cities, Elizabeth North does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Elizabeth North peaked in 1991-2005.

To date, South Australia is the 2nd-most disconnected out of the 7 regions in Australia. Its position in the ranks since 1975 has not changed. South Australia ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2005 and 2nd in 2006-2020.