Dakar in context: Street-network sprawl trends

Dakar in context

1.822.22.4<19751976–19901991–20052006–2020SNDi of street additions
1.822.22.4<19751976–19901991–20052006–2020SNDi of entire street network
DakarSenegal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dakar plotted against Senegal. Both Dakar and Senegal follow the same trend. Most recently, Dakar's incremental SNDi rose from 1.87 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dakar ranked 20th out of 25 in Senegal as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in Senegal
17th of 25

Entire Network (Aggregate)

SNDi value
2.03
Rank in Senegal
20th of 25

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
DakarMedellinKuwait City

Dakar, Medellín, and Kuwait City all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Medellín and Kuwait City both became progressively more disconnected, while Dakar grew more disconnected from 1975 through 1976-1990, then improved. Dakar and Medellín have been growing further apart in their street-network character since 1975.