Cubal in context: Street-network sprawl trends

Cubal in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cubal plotted against Benguela and Angola. The SNDi of new construction in Cubal peaked in 1991-2005, compared to Benguela which peaked in 1991-2005 and Angola which rose steadily. Most recently, Cubal's incremental SNDi fell from 4.93 to 2.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cubal ranked 2nd out of 4 cities in Benguela and 34th out of 56 in Angola as of 2020.

New Street Additions (2006–2020)

SNDi value
2.17
Rank in Angola
16th of 56
Rank in Benguela
1st of 4

Entire Network (Aggregate)

SNDi value
2.67
Rank in Angola
34th of 56
Rank in Benguela
2nd of 4

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
CubalChamagramGaddanakeri Tanda

In new street additions, Cubal and Chamagram both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Gaddanakeri Tanda fluctuated in its street-construction patterns. For the full network, Cubal grew more disconnected from 1975 through 1991-2005, then improved, while Chamagram became progressively more disconnected and Gaddanakeri Tanda fluctuated in connectivity. Notably, Cubal had a more connected network than Gaddanakeri Tanda in 1975 but the two have since reversed their relative ranking.