Bouaké in context: Street-network sprawl trends

Bouake in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
BouakeVallee du Bandama (Region)Cote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bouaké plotted against Vallée du Bandama and Côte d'Ivoire. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bouaké's incremental SNDi rose from 3.02 to 3.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bouaké ranked 2nd out of 2 cities in Vallée du Bandama and 21st out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
3.35
Rank in Côte d'Ivoire
17th of 39
Rank in Vallée du Bandama
2nd of 2

Entire Network (Aggregate)

SNDi value
2.46
Rank in Côte d'Ivoire
21st of 39
Rank in Vallée du Bandama
2nd of 2

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
BouakeSfaxCilacap

In new street additions, Bouaké fluctuated in its street-construction patterns, while Sfax built increasingly disconnected streets from 1975 through 1976-1990, then improved and Cilacap built increasingly disconnected streets over time. For the full network, Bouaké and Cilacap both became progressively more disconnected, while Sfax grew more disconnected from 1975 through 1976-1990, then improved.