Malang in context: Street-network sprawl trends

Malang in context

4.24.85.46<19751976–19901991–20052006–2020SNDi of street additions
4.24.85.46<19751976–19901991–20052006–2020SNDi of entire street network
MalangJawa Timur (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Malang plotted against Jawa Timur and Indonesia. The SNDi of new construction in Malang followed a zig-zag trend with an overall increase, compared to Jawa Timur which rose steadily and Indonesia which rose steadily. Most recently, Malang's incremental SNDi rose from 5.56 to 5.71 between 1991-2005 and 2006-2020. In terms of the aggregate network, Malang ranked 46th out of 57 cities in Jawa Timur and 278th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.71
Rank in Indonesia
210th of 366
Rank in Jawa Timur
42nd of 57

Entire Network (Aggregate)

SNDi value
4.86
Rank in Indonesia
278th of 366
Rank in Jawa Timur
46th of 57

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
MalangPonnaniXiamen City

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