Pakenham in context: Street-network sprawl trends

Pakenham 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
PakenhamVictoria (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pakenham plotted against Victoria and Australia. The SNDi of new construction in Pakenham followed a zig-zag trend with an overall decrease, compared to Victoria which peaked in 1991-2005 and Australia which peaked in 1991-2005. Most recently, Pakenham's incremental SNDi fell from 5.0 to 3.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pakenham ranked 6th out of 7 cities in Victoria and 27th out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.62
Rank in Australia
21st of 35
Rank in Victoria
4th of 7

Entire Network (Aggregate)

SNDi value
3.93
Rank in Australia
27th of 35
Rank in Victoria
6th of 7

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

What about similarly populated cities?

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
PakenhamKamijiRijau

In new street additions, Pakenham fluctuated in its street-construction patterns, while Kamiji built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Rijau built increasingly disconnected streets over time. For the full network, Pakenham fluctuated in connectivity, while Kamiji became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Rijau became progressively more disconnected. Pakenham and Rijau have been converging in their street-network character since 1975.