Dassa-Zoumé in context: Street-network sprawl trends

Dassa-Zoume in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Dassa-ZoumeCollines (Region)Benin (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dassa-Zoumé plotted against Collines and Benin. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dassa-Zoumé's incremental SNDi rose from 2.21 to 3.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dassa-Zoumé ranked 3rd out of 4 cities in Collines and 18th out of 24 in Benin as of 2020.

New Street Additions (2006–2020)

SNDi value
3.12
Rank in Benin
15th of 24
Rank in Collines
3rd of 4

Entire Network (Aggregate)

SNDi value
2.58
Rank in Benin
18th of 24
Rank in Collines
3rd of 4

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

What about similarly populated cities?

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
Dassa-ZoumeMangaFatih Sultan

In new street additions, Dassa-Zoumé and Manga both fluctuated in its street-construction patterns, while Fatih Sultan built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Dassa-Zoumé fluctuated in connectivity, while Manga became progressively more disconnected and Fatih Sultan grew more disconnected from 1975 through 1991-2005, then improved. Notably, Dassa-Zoumé had a more connected network than Fatih Sultan in 1975 but the two have since reversed their relative ranking.