The level of street-network sprawl in new development in Rivers rose steadily. To get a sense of how street development has changed in Rivers, we can consider three of its most populous cities: Port Harcourt, Abonnema and Oyigbo. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Port Harcourt followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Abonnema followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Oyigbo peaked in 1991-2005.

As of 2020, the city with the most disconnected street network in Rivers is Opobo with an SNDi of 13.55, which is very sprawly. Conversely, the most connected city is Dere with an SNDi of 2.2, which is well-connected. See trends for these cities: Dere, Opobo

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