Comparisons
Bayelsa vs. the other two most closely populated regions in Nigeria: Nasarawa and Yobe
Bayelsa in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Bayelsa followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Bayelsa, we can consider three of its most populous cities: Yenagoa, Amassoma and Nembe. Out of the three cities, Amassoma and Nembe do not follow the same trend as the region. The level of street-network sprawl in new development in Amassoma rose steadily. The level of street-network sprawl in new development in Nembe peaked in 1991-2005.
How do development practices in Bayelsa fare in comparison to others in Nigeria? Most recently in 2006-2020, street construction in Bayelsa was the 36th-most disconnected out of the 37 regions in Nigeria. Its position in the ranks since 1975 has fallen; relative to other regions in Nigeria, street construction in Bayelsa has become more connected. Bayelsa ranked 34th in 1975, 36th in 1976-1990, 32nd in 1991-2005 and 36th in 2006-2020.
Bayelsa in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Bayelsa is Ekeremor with an SNDi of 9.9, which is very sprawly. Conversely, the most connected city is Nembe with an SNDi of 2.74, which is relatively well-connected. See trends for these cities: Nembe, Ekeremor
The level of street-network sprawl in the aggregate network in Bayelsa followed a zig-zag trend with an overall increase. To get a sense of how the aggregate street network has changed in Bayelsa, we can consider three of its most populous cities: Yenagoa, Amassoma and Nembe. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Yenagoa rose steadily. The level of street-network sprawl in the aggregate network in Amassoma rose steadily. The level of street-network sprawl in the aggregate network in Nembe peaked in 1991-2005.
To date, Bayelsa is the 37th-most disconnected out of the 37 regions in Nigeria. Its position in the ranks since 1975 has fallen; relative to other regions in Nigeria, the street network in Bayelsa has become more connected. Bayelsa ranked 34th in 1975, 37th in 1976-1990, 36th in 1991-2005 and 37th in 2006-2020.