The level of street-network sprawl in new development in Kongo-Central rose steadily. To get a sense of how street development has changed in Kongo-Central, we can consider three of its most populous cities: Matadi, Boma and Mbanza-Ngungu. Out of the three cities, Matadi does not follow the same trend as the region. The level of street-network sprawl in new development in Matadi followed a zig-zag trend with an overall increase.

How do development practices in Kongo-Central fare in comparison to others in Democratic Republic of the Congo? Most recently in 2006-2020, street construction in Kongo-Central was the 5th-most disconnected out of the 25 regions in Democratic Republic of the Congo. Its position in the ranks since 1975 has fallen; relative to other regions in Democratic Republic of the Congo, street construction in Kongo-Central has become more connected. Kongo-Central ranked 4th in 1975, 4th in 1976-1990, 7th in 1991-2005 and 5th in 2006-2020.

As of 2020, the city with the most disconnected street network in Kongo-Central is Matadi with an SNDi of 4.73, which is sprawly. Conversely, the most connected city is Moanda with an SNDi of 1.39, which is very well-connected. See trends for these cities: Moanda, Matadi

The level of street-network sprawl in the aggregate network in Kongo-Central rose steadily. To get a sense of how the aggregate street network has changed in Kongo-Central, we can consider three of its most populous cities: Matadi, Boma and Mbanza-Ngungu. Disconnectivity in the most populous cities in Kongo-Central follow the same region trend.

To date, Kongo-Central is the 7th-most disconnected out of the 25 regions in Democratic Republic of the Congo. Its position in the ranks since 1975 has fallen; relative to other regions in Democratic Republic of the Congo, the street network in Kongo-Central has become more connected. Kongo-Central ranked 4th in 1975, 5th in 1976-1990, 6th in 1991-2005 and 7th in 2006-2020.