The level of street-network sprawl in new development in Kasaï followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Kasaï, we can consider three of its most populous cities: Tshikapa, Ilebo and Mweka. Out of the three cities, Ilebo and Mweka do not follow the same trend as the region. The level of street-network sprawl in new development in Ilebo peaked in 1991-2005. The level of street-network sprawl in new development in Mweka followed a zig-zag trend with an overall decrease.

As of 2020, the city with the most disconnected street network in Kasaï is Mutombo-Lamata with an SNDi of 8.04, which is very sprawly. Conversely, the most connected city is Kakumba with an SNDi of 2.13, which is well-connected. See trends for these cities: Kakumba, Mutombo-Lamata

The level of street-network sprawl in the aggregate network in Kasaï rose steadily. To get a sense of how the aggregate street network has changed in Kasaï, we can consider three of its most populous cities: Tshikapa, Ilebo and Mweka. Out of the three cities, Mweka does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Mweka followed a zig-zag trend with an overall decrease.