Dutsin Ma in context: Street-network sprawl trends

Dutsin Ma in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Dutsin MaKatsina (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dutsin Ma plotted against Katsina and Nigeria. The SNDi of new construction in Dutsin Ma peaked in 1991-2005, compared to Katsina which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Dutsin Ma's incremental SNDi fell from 3.36 to 3.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dutsin Ma ranked 13th out of 15 cities in Katsina and 123rd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.09
Rank in Nigeria
118th of 422
Rank in Katsina
10th of 15

Entire Network (Aggregate)

SNDi value
2.45
Rank in Nigeria
123rd of 422
Rank in Katsina
13th of 15

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

What about similarly populated cities?

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
Dutsin MaTorrejon de ArdozSangrur

In new street additions, Dutsin Ma built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Torrejón de Ardoz fluctuated in its street-construction patterns and Sangrur built increasingly disconnected streets over time. For the full network, Dutsin Ma and Sangrur both became progressively more disconnected, while Torrejón de Ardoz grew more disconnected from 1975 through 1976-1990, then improved. Notably, Dutsin Ma had a more connected network than Torrejón de Ardoz in 1975 but the two have since reversed their relative ranking.