Comparisons
Rivers vs. the other two most closely populated regions in Nigeria: Oyo and Kano
Rivers in context: Street-network sprawl of new development
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.
How do development practices in Rivers fare in comparison to others in Nigeria? Most recently in 2006-2020, street construction in Rivers was the 32nd-most disconnected out of the 37 regions in Nigeria. Its position in the ranks since 1975 has risen; relative to other regions in Nigeria, street construction in Rivers has become more disconnected. Rivers ranked 35th in 1975, 33rd in 1976-1990, 34th in 1991-2005 and 32nd in 2006-2020.
Rivers in context: Aggregate street-network sprawl
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.
To date, Rivers is the 33rd-most disconnected out of the 37 regions in Nigeria. Its position in the ranks since 1975 has risen; relative to other regions in Nigeria, the street network in Rivers has become more disconnected. Rivers ranked 35th in 1975, 34th in 1976-1990, 34th in 1991-2005 and 33rd in 2006-2020.