Gagnoa in context: Street-network sprawl trends

Gagnoa in context

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
GagnoaGoh-Djiboua (Region)Cote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gagnoa plotted against Gôh-Djiboua and Côte d'Ivoire. While Gôh-Djiboua and Côte d'Ivoire both followed a zig-zag trend with an overall increase, Gagnoa's new street additions followed a zig-zag trend with an overall increase. Most recently, Gagnoa's incremental SNDi rose from 2.31 to 3.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gagnoa ranked 2nd out of 4 cities in Gôh-Djiboua and 20th out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
3.52
Rank in Côte d'Ivoire
19th of 39
Rank in Gôh-Djiboua
2nd of 4

Entire Network (Aggregate)

SNDi value
2.43
Rank in Côte d'Ivoire
20th of 39
Rank in Gôh-Djiboua
2nd of 4

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
GagnoaNablusTaipa

In new street additions, Gagnoa fluctuated in its street-construction patterns, while Nablus built increasingly disconnected streets over time and Taipa built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Gagnoa and Nablus both became progressively more disconnected, while Taipa grew more disconnected from 1975 through 1991-2005, then improved.