Trenggalek in context: Street-network sprawl trends

Trenggalek in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
TrenggalekJawa Timur (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trenggalek plotted against Jawa Timur and Indonesia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Trenggalek's incremental SNDi rose from 4.31 to 5.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trenggalek ranked 13th out of 57 cities in Jawa Timur and 99th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.46
Rank in Indonesia
181st of 366
Rank in Jawa Timur
35th of 57

Entire Network (Aggregate)

SNDi value
3.76
Rank in Indonesia
99th of 366
Rank in Jawa Timur
13th of 57

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TrenggalekBharatpurTrenton

Trenggalek, Bharatpur, and Trenton all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Trenggalek and Bharatpur have been growing further apart in their street-network character since 1975.