Upper Coomera in context: Street-network sprawl trends

Upper Coomera in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
Upper CoomeraQueensland (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Upper Coomera plotted against Queensland and Australia. The SNDi of new construction in Upper Coomera followed a zig-zag trend with an overall decrease, compared to Queensland which peaked in 1991-2005 and Australia which peaked in 1991-2005. Most recently, Upper Coomera's incremental SNDi fell from 4.99 to 4.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Upper Coomera ranked 12th out of 13 cities in Queensland and 34th out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.58
Rank in Australia
30th of 35
Rank in Queensland
10th of 13

Entire Network (Aggregate)

SNDi value
4.83
Rank in Australia
34th of 35
Rank in Queensland
12th of 13

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Upper CoomeraLuo Huang Gong Ye Yuan Bwari

In new street additions, Upper Coomera fluctuated in its street-construction patterns, while 珞璜工业园 fluctuated in its street-construction patterns and Bwari fluctuated in its street-construction patterns. For the full network, Upper Coomera became progressively more connected, while 珞璜工业园 fluctuated in connectivity and Bwari became progressively more disconnected. Upper Coomera and 珞璜工业园 have been converging in their street-network character since 1975.