Djibia in context: Street-network sprawl trends

Djibia 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
DjibiaKatsina (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Djibia plotted against Katsina and Nigeria. The SNDi of new construction in Djibia rose steadily, compared to Katsina which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Djibia's incremental SNDi rose from 3.12 to 4.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Djibia ranked 15th out of 15 cities in Katsina and 133rd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.03
Rank in Nigeria
192nd of 422
Rank in Katsina
14th of 15

Entire Network (Aggregate)

SNDi value
2.57
Rank in Nigeria
133rd of 422
Rank in Katsina
15th of 15

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
DjibiaGangarampurAshford

In new street additions, Djibia and Gangarampur both built increasingly disconnected streets over time, while Ashford built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.