Darou Mousty in context: Street-network sprawl trends

Darou Mousty in context

0.511.52<19751976–19901991–20052006–2020SNDi of street additions
0.511.52<19751976–19901991–20052006–2020SNDi of entire street network
Darou MoustyLouga (Region)Senegal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Darou Mousty plotted against Louga and Senegal. The SNDi of new construction in Darou Mousty rose steadily, compared to Louga which was at its lowest in 1976-1990 and Senegal which followed a zig-zag trend with an overall increase. Most recently, Darou Mousty's incremental SNDi rose from 0.76 to 1.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Darou Mousty ranked 1st out of 3 cities in Louga and 10th out of 25 in Senegal as of 2020.

New Street Additions (2006–2020)

SNDi value
1.94
Rank in Senegal
16th of 25
Rank in Louga
3rd of 3

Entire Network (Aggregate)

SNDi value
1.27
Rank in Senegal
10th of 25
Rank in Louga
1st of 3

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

What about similarly populated cities?

0.61.21.82.4<19751976–19901991–20052006–2020SNDi of street additions
0.61.21.82.4<19751976–19901991–20052006–2020SNDi of entire street network
Darou MoustyMpikaJacunda

In new street additions, Darou Mousty built increasingly disconnected streets over time, while Mpika fluctuated in its street-construction patterns and Jacundá built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend.