Caála in context: Street-network sprawl trends

Caala in context

2.83.23.64<19751976–19901991–20052006–2020SNDi of street additions
2.83.23.64<19751976–19901991–20052006–2020SNDi of entire street network
CaalaHuambo (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Caála plotted against Huambo and Angola. The SNDi of new construction in Caála peaked in 1976-1990, compared to Huambo which peaked in 1991-2005 and Angola which rose steadily. Most recently, Caála's incremental SNDi fell from 3.39 to 2.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Caála ranked 2nd out of 3 cities in Huambo and 39th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
2.89
Rank in Angola
31st of 56
Rank in Huambo
2nd of 3

Entire Network (Aggregate)

SNDi value
3.13
Rank in Angola
39th of 56
Rank in Huambo
2nd of 3

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
CaalaKasuluKitenge

In new street additions, Caála built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kasulu fluctuated in its street-construction patterns and Kitenge built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Caála and Kitenge both grew more disconnected from 1975 through 1991-2005, then improved, while Kasulu fluctuated in connectivity. Caála and Kitenge have been converging in their street-network character since 1975.