The level of street-network sprawl in new development in Bas-Sassandra followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Bas-Sassandra, we can consider three of its most populous cities: San-Pédro, Soubré and Méagui. Out of the three cities, San-Pédro and Soubré do not follow the same trend as the region. The level of street-network sprawl in new development in San-Pédro peaked in 1991-2005. The level of street-network sprawl in new development in Soubré rose steadily.

How do development practices in Bas-Sassandra fare in comparison to others in Côte d'Ivoire? Most recently in 2006-2020, street construction in Bas-Sassandra was the 11th-most disconnected out of the 13 regions in Côte d'Ivoire. Its position in the ranks since 1975 has risen; relative to other regions in Côte d'Ivoire, street construction in Bas-Sassandra has become more disconnected. Bas-Sassandra ranked 13th in 1975, 12th in 1976-1990, 10th in 1991-2005 and 11th in 2006-2020.

As of 2020, the city with the most disconnected street network in Bas-Sassandra is Buyo with an SNDi of 3.75, which is relatively sprawly. Conversely, the most connected city is Méagui with an SNDi of 2.82, which is relatively well-connected. See trends for these cities: Méagui, Buyo

The level of street-network sprawl in the aggregate network in Bas-Sassandra rose steadily. To get a sense of how the aggregate street network has changed in Bas-Sassandra, we can consider three of its most populous cities: San-Pédro, Soubré and Méagui. Disconnectivity in the most populous cities in Bas-Sassandra follow the same region trend.

To date, Bas-Sassandra is the 12th-most disconnected out of the 13 regions in Côte d'Ivoire. Its position in the ranks since 1975 has risen; relative to other regions in Côte d'Ivoire, the street network in Bas-Sassandra has become more disconnected. Bas-Sassandra ranked 13th in 1975, 12th in 1976-1990, 12th in 1991-2005 and 12th in 2006-2020.