Tamaské Sabon Guida in context: Street-network sprawl trends

Tamaske Sabon Guida in context

11.522.5<19751976–19901991–20052006–2020SNDi of street additions
11.522.5<19751976–19901991–20052006–2020SNDi of entire street network
Tamaske Sabon GuidaTahoua (Region)Niger (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tamaské Sabon Guida plotted against Tahoua and Niger. The SNDi of new construction in Tamaské Sabon Guida followed a zig-zag trend, compared to Tahoua which rose steadily and Niger which rose steadily. In terms of the aggregate network, Tamaské Sabon Guida ranked 6th out of 8 cities in Tahoua and 27th out of 33 in Niger as of 2020.

New Street Additions (2006–2020)

SNDi value
N/A

Entire Network (Aggregate)

SNDi value
2.19
Rank in Niger
27th of 33
Rank in Tahoua
6th of 8

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

What about similarly populated cities?

0.81.62.43.2<19751976–19901991–20052006–2020SNDi of street additions
0.81.62.43.2<19751976–19901991–20052006–2020SNDi of entire street network
Tamaske Sabon GuidaKatiolaTambawal

In new street additions, Katiola and Tambawal both built increasingly disconnected streets over time, while Tamaské Sabon Guida fluctuated in street-construction patterns. Looking at the full network, Katiola and Tambawal both became progressively more disconnected, while Tamaské Sabon Guida became progressively more connected. Tamaské Sabon Guida and Katiola have been converging in their street-network character since 1975.