The level of street-network sprawl in new development in Cuanza Sul followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Cuanza Sul, we can consider three of its most populous cities: Sumbe, Gabela and Waku Kungo. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Sumbe rose steadily. The level of street-network sprawl in new development in Gabela rose steadily. The level of street-network sprawl in new development in Waku Kungo rose steadily.

How do development practices in Cuanza Sul fare in comparison to others in Angola? Most recently in 2006-2020, street construction in Cuanza Sul was the 10th-most disconnected out of the 18 regions in Angola. Its position in the ranks since 1975 has fallen; relative to other regions in Angola, street construction in Cuanza Sul has become more connected. Cuanza Sul ranked 8th in 1975, 8th in 1976-1990, 5th in 1991-2005 and 10th in 2006-2020.

As of 2020, the city with the most disconnected street network in Cuanza Sul is Calulo with an SNDi of 4.55, which is sprawly. Conversely, the most connected city is Waku Kungo with an SNDi of 1.88, which is very well-connected. See trends for these cities: Waku Kungo, Calulo

The level of street-network sprawl in the aggregate network in Cuanza Sul rose steadily. To get a sense of how the aggregate street network has changed in Cuanza Sul, we can consider three of its most populous cities: Sumbe, Gabela and Waku Kungo. Disconnectivity in the most populous cities in Cuanza Sul follow the same region trend.

To date, Cuanza Sul is the 9th-most disconnected out of the 18 regions in Angola. Its position in the ranks since 1975 has fallen; relative to other regions in Angola, the street network in Cuanza Sul has become more connected. Cuanza Sul ranked 8th in 1975, 8th in 1976-1990, 7th in 1991-2005 and 9th in 2006-2020.