Buco-Zau in context: Street-network sprawl trends

Buco-Zau in context

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
Buco-ZauCabinda (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Buco-Zau plotted against Cabinda and Angola. While Cabinda and Angola both rose steadily, Buco-Zau's new street additions rose steadily. Most recently, Buco-Zau's incremental SNDi rose from 6.59 to 9.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Buco-Zau ranked 3rd out of 3 cities in Cabinda and 56th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
9.85
Rank in Angola
54th of 56
Rank in Cabinda
3rd of 3

Entire Network (Aggregate)

SNDi value
6.01
Rank in Angola
56th of 56
Rank in Cabinda
3rd of 3

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
Buco-ZauMitwabaRecetor

In new street additions, Buco-Zau built increasingly disconnected streets over time, while Mitwaba built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Recetor fluctuated in its street-construction patterns. For the full network, Buco-Zau became progressively more disconnected, while Mitwaba became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Recetor became progressively more disconnected. Buco-Zau and Mitwaba have been growing further apart in their street-network character since 1975.