Ouagadougou in context: Street-network sprawl trends

Ouagadougou in context

1.61.822.2<19751976–19901991–20052006–2020SNDi of street additions
1.61.822.2<19751976–19901991–20052006–2020SNDi of entire street network
OuagadougouCentre (Region)Burkina Faso (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ouagadougou plotted against Centre and Burkina Faso. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ouagadougou's incremental SNDi rose from 1.68 to 1.71 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ouagadougou ranked 1st out of 1 cities in Centre and 8th out of 19 in Burkina Faso as of 2020.

New Street Additions (2006–2020)

SNDi value
1.71
Rank in Burkina Faso
4th of 19
Rank in Centre
1st of 1

Entire Network (Aggregate)

SNDi value
1.64
Rank in Burkina Faso
8th of 19
Rank in Centre
1st of 1

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
OuagadougouTamlukTunis

In new street additions, Ouagadougou and Tunis both fluctuated in its street-construction patterns, while Tamluk built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Ouagadougou and Tunis both became progressively more disconnected, while Tamluk became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.