Context

08162432<19751976–19901991–20052006–2020SNDi of street additions
08162432<19751976–19901991–20052006–2020SNDi of entire street network
Antetezambaro (most disconnected)Farafangana (most connected)

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

Madagascar in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Madagascar rose steadily. To get a sense of how street development has changed in Madagascar, we can consider three of its most populous regions: Antananarivo, Mahajanga and Toamasina. Out of the three regions, Antananarivo does not follow the same trend as the country. The level of street-network sprawl in new development in Antananarivo followed a zig-zag trend with an overall increase.

The largest city in Madagascar is Antananarivo, with a population of 2661300 people. Taking into account the entire (i.e. aggregate) street network in Antananarivo as of 2020, the overall level of street-network sprawl is 4.58, which is sprawly. The level of street-network sprawl in new development in Antananarivo peaked in 1991-2005.

Madagascar in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Madagascar is Antetezambaro with an SNDi of 14.16, which is very sprawly. Conversely, the most connected city is Farafangana with an SNDi of 1.56, which is very well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Farafangana, Antetezambaro.

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

The largest city in Madagascar is Antananarivo, with a population of 2661300 people. Taking into account the entire (i.e. aggregate) street network in Antananarivo as of 2020, the overall level of street-network sprawl is 4.58, which is sprawly. The level of street-network sprawl in the aggregate network in Antananarivo rose steadily.