Luwuk in context: Street-network sprawl trends

Luwuk in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
LuwukSulawesi Tengah (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luwuk plotted against Sulawesi Tengah and Indonesia. While Sulawesi Tengah and Indonesia both rose steadily, Luwuk's new street additions rose steadily. Most recently, Luwuk's incremental SNDi rose from 5.74 to 5.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luwuk ranked 4th out of 5 cities in Sulawesi Tengah and 184th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.77
Rank in Indonesia
217th of 366
Rank in Sulawesi Tengah
3rd of 5

Entire Network (Aggregate)

SNDi value
4.21
Rank in Indonesia
184th of 366
Rank in Sulawesi Tengah
4th of 5

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
LuwukGimbichuBailundo

Luwuk, Gimbichu, and Bailundo all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Luwuk and Gimbichu have been converging in their street-network character since 1975.