Panguila in context: Street-network sprawl trends

Panguila in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
PanguilaLuanda (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Panguila plotted against Luanda and Angola. The SNDi of new construction in Panguila was at its lowest in 1976-1990, compared to Luanda which fell steadily and Angola which rose steadily. Most recently, Panguila's incremental SNDi rose from 1.62 to 2.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Panguila ranked 2nd out of 4 cities in Luanda and 11th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
2.14
Rank in Angola
14th of 56
Rank in Luanda
3rd of 4

Entire Network (Aggregate)

SNDi value
1.79
Rank in Angola
11th of 56
Rank in Luanda
2nd of 4

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

What about similarly populated cities?

1.21.51.82.1<19751976–19901991–20052006–2020SNDi of street additions
1.21.51.82.1<19751976–19901991–20052006–2020SNDi of entire street network
PanguilaLwishiaMasalani

While Lwishia and Masalani both fluctuated in its street-construction patterns, Panguila built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Lwishia and Masalani both fluctuated in connectivity, while Panguila became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Panguila had a more sprawly network than Lwishia in 1975 but the two have since reversed their relative ranking.