Oumé in context: Street-network sprawl trends

Oume in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
OumeGoh-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 Oumé plotted against Gôh-Djiboua and Côte d'Ivoire. The SNDi of new construction in Oumé peaked in 1991-2005, compared to Gôh-Djiboua which rose steadily and Côte d'Ivoire which followed a zig-zag trend with an overall increase. Most recently, Oumé's incremental SNDi fell from 3.11 to 2.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oumé ranked 1st out of 4 cities in Gôh-Djiboua and 4th out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
2.81
Rank in Côte d'Ivoire
7th of 39
Rank in Gôh-Djiboua
1st of 4

Entire Network (Aggregate)

SNDi value
1.75
Rank in Côte d'Ivoire
4th of 39
Rank in Gôh-Djiboua
1st of 4

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
OumeUkundaUnguwar Fari

Oumé, Ukunda, and Unguwar Fari all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. For the full network, Oumé and Ukunda both became progressively more disconnected, while Unguwar Fari became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Oumé and Ukunda have been growing further apart in their street-network character since 1975.