Langwarrin in context: Street-network sprawl trends

Langwarrin in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
LangwarrinVictoria (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Langwarrin plotted against Victoria and Australia. The SNDi of new construction in Langwarrin followed a zig-zag trend with an overall increase, compared to Victoria which peaked in 1991-2005 and Australia which peaked in 1991-2005. Most recently, Langwarrin's incremental SNDi fell from 4.35 to 3.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Langwarrin ranked 7th out of 7 cities in Victoria and 28th out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.96
Rank in Australia
23rd of 35
Rank in Victoria
6th of 7

Entire Network (Aggregate)

SNDi value
3.94
Rank in Australia
28th of 35
Rank in Victoria
7th of 7

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
LangwarrinXincaiPalitana

In new street additions, Langwarrin fluctuated in its street-construction patterns, while Xincai built increasingly disconnected streets from 1975 through 1991-2005, then improved and Palitana built increasingly disconnected streets over time. Looking at the full network, Xincai and Palitana both became progressively more disconnected, while Langwarrin became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.