Cacongo in context: Street-network sprawl trends

Cacongo in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
CacongoCabinda (Region)Angola (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cacongo plotted against Cabinda and Angola. The SNDi of new construction in Cacongo peaked in 1991-2005, compared to Cabinda which peaked in 1976-1990 and Angola which rose steadily. Most recently, Cacongo's incremental SNDi fell from 2.36 to 2.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cacongo ranked 1st out of 3 cities in Cabinda and 6th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
2.17
Rank in Angola
15th of 56
Rank in Cabinda
1st of 3

Entire Network (Aggregate)

SNDi value
1.68
Rank in Angola
6th of 56
Rank in Cabinda
1st of 3

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

What about similarly populated cities?

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
CacongoLumejeBoukaria

While Lumeje and Boukaria both fluctuated in its street-construction patterns, Cacongo built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Cacongo and Lumeje both became progressively more disconnected, while Boukaria grew more disconnected from 1975 through 1976-1990, then improved. Notably, Cacongo had a more sprawly network than Lumeje in 1975 but the two have since reversed their relative ranking.