Grand-Bassam in context: Street-network sprawl trends
Grand-Bassam in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Grand-Bassam plotted against Comoé and Côte d'Ivoire. The SNDi of new construction in Grand-Bassam peaked in 1976-1990, compared to Comoé which followed a zig-zag trend with an overall increase and Côte d'Ivoire which followed a zig-zag trend with an overall increase. Most recently, Grand-Bassam's incremental SNDi fell from 4.01 to 3.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Grand-Bassam ranked 3rd out of 4 cities in Comoé and 25th out of 39 in Côte d'Ivoire as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.82
- Rank in Côte d'Ivoire
- 22nd of 39
- Rank in Comoé
- 2nd of 4
Entire Network (Aggregate)
- SNDi value
- 2.82
- Rank in Côte d'Ivoire
- 25th of 39
- Rank in Comoé
- 3rd of 4
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Grand-Bassam built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Serov fluctuated in its street-construction patterns and Kasba built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Grand-Bassam and Serov both became progressively more disconnected, while Kasba grew more disconnected from 1975 through 1991-2005, then improved. Grand-Bassam and Serov have been growing further apart in their street-network character since 1975.