Samarinda in context: Street-network sprawl trends

Samarinda in context

4.55.46.37.2<19751976–19901991–20052006–2020SNDi of street additions
4.55.46.37.2<19751976–19901991–20052006–2020SNDi of entire street network
SamarindaKalimantan Timur (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Samarinda plotted against Kalimantan Timur and Indonesia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Samarinda's incremental SNDi rose from 6.15 to 7.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Samarinda ranked 7th out of 7 cities in Kalimantan Timur and 333rd out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
7.14
Rank in Indonesia
323rd of 366
Rank in Kalimantan Timur
6th of 7

Entire Network (Aggregate)

SNDi value
5.74
Rank in Indonesia
333rd of 366
Rank in Kalimantan Timur
7th of 7

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
SamarindaEl Mahalla El KubraGlasgow

In new street additions, Samarinda and El Mahalla El Kubra both built increasingly disconnected streets over time, while Glasgow built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Samarinda and Glasgow have been growing further apart in their street-network character since 1975.