Jombang in context: Street-network sprawl trends

Jombang in context

2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
JombangJawa Timur (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jombang plotted against Jawa Timur and Indonesia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Jombang's incremental SNDi rose from 4.35 to 4.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jombang ranked 7th out of 57 cities in Jawa Timur and 71st out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.39
Rank in Indonesia
57th of 366
Rank in Jawa Timur
6th of 57

Entire Network (Aggregate)

SNDi value
3.54
Rank in Indonesia
71st of 366
Rank in Jawa Timur
7th 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
JombangSatnaJinhe

While Satna and Jinhe both fluctuated in its street-construction patterns, Jombang built increasingly disconnected streets over time in new street additions. For the full network, Jombang and Satna both became progressively more disconnected, while Jinhe fluctuated in connectivity. Jombang and Satna have been growing further apart in their street-network character since 1975.