Abidjan in context: Street-network sprawl trends

Abidjan in context

33.64.2<19751976–19901991–20052006–2020SNDi of street additions
33.64.2<19751976–19901991–20052006–2020SNDi of entire street network
AbidjanCote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Abidjan plotted against Côte d'Ivoire. Both Abidjan and Côte d'Ivoire follow the same trend. Most recently, Abidjan's incremental SNDi rose from 3.56 to 4.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Abidjan ranked 33rd out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
4.41
Rank in Côte d'Ivoire
27th of 39

Entire Network (Aggregate)

SNDi value
3.49
Rank in Côte d'Ivoire
33rd of 39

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
AbidjanSingaporeMashhad

In new street additions, Abidjan and Singapore both fluctuated in its street-construction patterns, while Mashhad built increasingly disconnected streets over time. For the full network, Abidjan and Mashhad both became progressively more disconnected, while Singapore fluctuated in connectivity. Abidjan and Singapore have been growing further apart in their street-network character since 1975.