Campbelltown in context: Street-network sprawl trends

Campbelltown in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
CampbelltownNew South Wales (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Campbelltown plotted against New South Wales and Australia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Campbelltown's incremental SNDi fell from 5.24 to 3.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Campbelltown ranked 6th out of 6 cities in New South Wales and 32nd out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.36
Rank in Australia
13th of 35
Rank in New South Wales
2nd of 6

Entire Network (Aggregate)

SNDi value
4.46
Rank in Australia
32nd of 35
Rank in New South Wales
6th of 6

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
CampbelltownBheramaraBarlekha

In new street additions, Campbelltown built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Bheramara built increasingly disconnected streets over time and Barlekha fluctuated in its street-construction patterns. Looking at the full network, Bheramara and Barlekha both became progressively more disconnected, while Campbelltown grew more disconnected from 1975 through 1991-2005, then improved. Campbelltown and Bheramara have been growing further apart in their street-network character since 1975.