Manna in context: Street-network sprawl trends

Manna in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Manna plotted against Bengkulu and Indonesia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Manna's incremental SNDi rose from 4.09 to 5.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Manna ranked 2nd out of 4 cities in Bengkulu and 73rd out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.76
Rank in Indonesia
215th of 366
Rank in Bengkulu
2nd of 4

Entire Network (Aggregate)

SNDi value
3.55
Rank in Indonesia
73rd of 366
Rank in Bengkulu
2nd of 4

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
MannaTangjiangSinjai

In new street additions, Manna and Sinjai both built increasingly disconnected streets over time, while Tangjiang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Manna and Sinjai both became progressively more disconnected, while Tangjiang became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Manna and Tangjiang have been converging in their street-network character since 1975.