Context
The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Gambia, for both new street additions (left) and the aggregate street network (right).
Gambia in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Gambia followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Gambia, we can consider two of its most populous regions: Western and Upper River. Disconnectivity in the most populous cities in Gambia follow the same country trend.
How do development practices in Gambia fare in comparison to others in the world? Most recently in 2006-2020, street construction in Gambia was the 8th-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, street construction in Gambia has become more connected. Gambia ranked 7th in 1975, 3rd in 1976-1990, 5th in 1991-2005 and 8th in 2006-2020.
The largest city in Gambia is Serrekunda, with a population of 923500 people. Taking into account the entire (i.e. aggregate) street network in Serrekunda as of 2020, the overall level of street-network sprawl is 1.87, which is very well-connected. The level of street-network sprawl in new development in Serrekunda followed a zig-zag trend with an overall increase.
Gambia in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Gambia is Basse Santa Su with an SNDi of 2.1, which is well-connected. Conversely, the most connected city is Brikama with an SNDi of 1.53, which is very well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Brikama, Basse Santa Su.
The level of street-network sprawl in the aggregate network in Gambia rose steadily. To get a sense of how the aggregate street network has changed in Gambia, we can consider two of its most populous regions: Western and Upper River. Disconnectivity in the most populous cities in Gambia follow the same country trend.
To date, Gambia is the 4th-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, the street network in Gambia has become more disconnected. Gambia ranked 7th in 1975, 4th in 1976-1990, 7th in 1991-2005 and 4th in 2006-2020.
The largest city in Gambia is Serrekunda, with a population of 923500 people. Taking into account the entire (i.e. aggregate) street network in Serrekunda as of 2020, the overall level of street-network sprawl is 1.87, which is very well-connected. The level of street-network sprawl in the aggregate network in Serrekunda rose steadily.