Banjarmasin in context: Street-network sprawl trends

Banjarmasin in context

3.64.24.85.46<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.85.46<19751976–19901991–20052006–2020SNDi of entire street network
BanjarmasinBanten (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Banjarmasin plotted against Banten and Indonesia. The SNDi of new construction in Banjarmasin peaked in 1991-2005, compared to Banten which followed a zig-zag trend with an overall increase and Indonesia which rose steadily. Most recently, Banjarmasin's incremental SNDi fell from 5.85 to 5.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Banjarmasin ranked 2nd out of 7 cities in Banten and 300th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.77
Rank in Indonesia
216th of 366
Rank in Banten
2nd of 7

Entire Network (Aggregate)

SNDi value
5.19
Rank in Indonesia
300th of 366
Rank in Banten
2nd of 7

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
BanjarmasinSekaNanzhang

In new street additions, Banjarmasin built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Seka built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Nanzhang fluctuated in its street-construction patterns. For the full network, Banjarmasin became progressively more disconnected, while Seka became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Nanzhang fluctuated in connectivity. Banjarmasin and Seka have been growing further apart in their street-network character since 1975.