Ampana in context: Street-network sprawl trends

Ampana in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AmpanaSulawesi Tengah (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ampana plotted against Sulawesi Tengah and Indonesia. While Sulawesi Tengah and Indonesia both rose steadily, Ampana's new street additions rose steadily. Most recently, Ampana's incremental SNDi rose from 4.55 to 5.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ampana ranked 3rd out of 5 cities in Sulawesi Tengah and 93rd out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.35
Rank in Indonesia
163rd of 366
Rank in Sulawesi Tengah
2nd of 5

Entire Network (Aggregate)

SNDi value
3.72
Rank in Indonesia
93rd of 366
Rank in Sulawesi Tengah
3rd of 5

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
AmpanaSanta LuziaPetaluma

In new street additions, Ampana built increasingly disconnected streets over time, while Santa Luzia built increasingly disconnected streets from 1975 through 1991-2005, then improved and Petaluma built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Ampana and Santa Luzia both became progressively more disconnected, while Petaluma grew more disconnected from 1975 through 1991-2005, then improved. Notably, Ampana had a more connected network than Santa Luzia in 1975 but the two have since reversed their relative ranking.