Médina Gounass in context: Street-network sprawl trends

Medina Gounass in context

1.21.622.4<19751976–19901991–20052006–2020SNDi of street additions
1.21.622.4<19751976–19901991–20052006–2020SNDi of entire street network
Medina GounassKolda (Region)Senegal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Médina Gounass plotted against Kolda and Senegal. The SNDi of new construction in Médina Gounass was at its lowest in 1991-2005, compared to Kolda which peaked in 1976-1990 and Senegal which followed a zig-zag trend with an overall increase. Most recently, Médina Gounass's incremental SNDi rose from 1.02 to 1.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Médina Gounass ranked 2nd out of 3 cities in Kolda and 6th out of 25 in Senegal as of 2020.

New Street Additions (2006–2020)

SNDi value
1.29
Rank in Senegal
4th of 25
Rank in Kolda
3rd of 3

Entire Network (Aggregate)

SNDi value
1.22
Rank in Senegal
6th of 25
Rank in Kolda
2nd of 3

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
Medina GounassKhakiZhouquan

While Khaki and Zhouquan both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, Médina Gounass built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. For the full network, Médina Gounass and Khaki both became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Zhouquan became progressively more connected.