Demba in context: Street-network sprawl trends

Demba in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
DembaKasai-Central (Region)Democratic Republic of the Congo (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Demba plotted against Kasaï-Central and Democratic Republic of the Congo. The SNDi of new construction in Demba rose steadily, compared to Kasaï-Central which rose steadily and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Demba's incremental SNDi rose from 8.82 to 8.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Demba ranked 6th out of 6 cities in Kasaï-Central and 170th out of 186 in Democratic Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
8.85
Rank in Democratic Republic of the Congo
164th of 186
Rank in Kasaï-Central
5th of 6

Entire Network (Aggregate)

SNDi value
6.14
Rank in Democratic Republic of the Congo
170th of 186
Rank in Kasaï-Central
6th of 6

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
DembaShangjieTunja

In new street additions, Demba and Tunja both built increasingly disconnected streets over time, while Shangjie fluctuated in its street-construction patterns. For the full network, Demba became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Shangjie became progressively more connected and Tunja became progressively more disconnected.