Context

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
Franceville (most disconnected)Port-Gentil (most connected)

The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Gabon, for both new street additions (left) and the aggregate street network (right).

Gabon in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Gabon peaked in 1976-1990. To get a sense of how street development has changed in Gabon, we can consider three of its most populous regions: Estuaire, Haut-Ogooué and Ogooué-Maritime. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Estuaire peaked in 1991-2005. The level of street-network sprawl in new development in Haut-Ogooué peaked in 1991-2005. The level of street-network sprawl in new development in Ogooué-Maritime followed a zig-zag trend with an overall increase.

How do development practices in Gabon fare in comparison to others in the world? Most recently in 2006-2020, street construction in Gabon was the 166th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, street construction in Gabon has become more disconnected. Gabon ranked 168th in 1975, 178th in 1976-1990, 176th in 1991-2005 and 166th in 2006-2020.

The largest city in Gabon is Libreville, with a population of 661400 people. Taking into account the entire (i.e. aggregate) street network in Libreville as of 2020, the overall level of street-network sprawl is 6.11, which is very sprawly. The level of street-network sprawl in new development in Libreville peaked in 1991-2005.

Gabon in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Gabon is Franceville with an SNDi of 6.32, which is very sprawly. Conversely, the most connected city is Port-Gentil with an SNDi of 2.31, which is well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Port-Gentil, Franceville.

The level of street-network sprawl in the aggregate network in Gabon rose steadily. To get a sense of how the aggregate street network has changed in Gabon, we can consider three of its most populous regions: Estuaire, Haut-Ogooué and Ogooué-Maritime. Disconnectivity in the most populous cities in Gabon follow the same country trend.

To date, Gabon is the 170th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has fallen; relative to other countries in the world, the street network in Gabon has become more connected. Gabon ranked 168th in 1975, 171st in 1976-1990, 171st in 1991-2005 and 170th in 2006-2020.

The largest city in Gabon is Libreville, with a population of 661400 people. Taking into account the entire (i.e. aggregate) street network in Libreville as of 2020, the overall level of street-network sprawl is 6.11, which is very sprawly. The level of street-network sprawl in the aggregate network in Libreville rose steadily.