Cuimba in context: Street-network sprawl trends

Cuimba in context

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
CuimbaZaire (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cuimba plotted against Zaire and Angola. The SNDi of new construction in Cuimba followed a zig-zag trend with an overall increase, compared to Zaire which rose steadily and Angola which rose steadily. Most recently, Cuimba's incremental SNDi rose from 1.12 to 2.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cuimba ranked 2nd out of 4 cities in Zaire and 18th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
2.33
Rank in Angola
21st of 56
Rank in Zaire
1st of 4

Entire Network (Aggregate)

SNDi value
2.16
Rank in Angola
18th of 56
Rank in Zaire
2nd of 4

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

What about similarly populated cities?

0.81.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
0.81.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
CuimbaLa ConcepcionEspinal

In new street additions, Cuimba fluctuated in its street-construction patterns, while La Concepción built increasingly disconnected streets over time and Espinal fluctuated in its street-construction patterns. For the full network, Cuimba fluctuated in connectivity, while La Concepción became progressively more disconnected and Espinal grew more disconnected from 1975 through 1976-1990, then improved. Notably, Cuimba had a more sprawly network than La Concepción in 1975 but the two have since reversed their relative ranking.