Sédhiou in context: Street-network sprawl trends

Sedhiou in context

1.21.62<19751976–19901991–20052006–2020SNDi of street additions
1.21.62<19751976–19901991–20052006–2020SNDi of entire street network
SedhiouSenegal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sédhiou plotted against Senegal. The SNDi of new construction in Sédhiou peaked in 1976-1990, while Senegal followed a zig-zag trend with an overall increase. Most recently, Sédhiou's incremental SNDi fell from 1.16 to 1.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sédhiou ranked 3rd out of 25 in Senegal as of 2020.

New Street Additions (2006–2020)

SNDi value
1.06
Rank in Senegal
2nd of 25

Entire Network (Aggregate)

SNDi value
1.14
Rank in Senegal
3rd of 25

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
SedhiouMutabiMubende

In new street additions, Sédhiou built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Mutabi built increasingly disconnected streets from 1975 through 1991-2005, then improved and Mubende built increasingly disconnected streets over time. For the full network, Sédhiou and Mutabi both grew more disconnected from 1975 through 1991-2005, then improved, while Mubende became progressively more disconnected. Sédhiou and Mutabi have been growing further apart in their street-network character since 1975.