Malumfashi in context: Street-network sprawl trends

Malumfashi 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
MalumfashiKatsina (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Malumfashi plotted against Katsina and Nigeria. While Katsina and Nigeria both followed a zig-zag trend with an overall increase, Malumfashi's new street additions followed a zig-zag trend with an overall increase. Most recently, Malumfashi's incremental SNDi rose from 2.02 to 2.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Malumfashi ranked 11th out of 15 cities in Katsina and 86th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.23
Rank in Nigeria
65th of 422
Rank in Katsina
8th of 15

Entire Network (Aggregate)

SNDi value
2.1
Rank in Nigeria
86th of 422
Rank in Katsina
11th of 15

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

What about similarly populated cities?

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
MalumfashiSagaZeralda

In new street additions, Malumfashi fluctuated in its street-construction patterns, while Saga built increasingly disconnected streets from 1975 through 1976-1990, then improved and Zeralda built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Saga and Zeralda both grew more disconnected from 1975 through 1991-2005, then improved, while Malumfashi fluctuated in connectivity. Malumfashi and Saga have been converging in their street-network character since 1975.