Caloundra in context: Street-network sprawl trends

Caloundra in context

3.244.8<19751976–19901991–20052006–2020SNDi of street additions
3.244.8<19751976–19901991–20052006–2020SNDi of entire street network
CaloundraQueensland (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Caloundra plotted against Queensland and Australia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Caloundra's incremental SNDi fell from 4.79 to 3.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Caloundra ranked 6th out of 13 cities in Queensland and 18th out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.5
Rank in Australia
18th of 35
Rank in Queensland
4th of 13

Entire Network (Aggregate)

SNDi value
3.59
Rank in Australia
18th of 35
Rank in Queensland
6th of 13

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
CaloundraTengrelaSidi Taibi

In new street additions, Caloundra and Tengréla both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Sidi Taibi fluctuated in its street-construction patterns. For the full network, Caloundra grew more disconnected from 1975 through 1991-2005, then improved, while Tengréla became progressively more disconnected and Sidi Taibi became progressively more connected. Notably, Caloundra had a more connected network than Sidi Taibi in 1975 but the two have since reversed their relative ranking.