Kabba in context: Street-network sprawl trends

Kabba in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
KabbaKogi (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kabba plotted against Kogi and Nigeria. The SNDi of new construction in Kabba rose steadily, compared to Kogi which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Kabba's incremental SNDi rose from 3.49 to 3.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kabba ranked 5th out of 11 cities in Kogi and 176th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.56
Rank in Nigeria
151st of 422
Rank in Kogi
1st of 11

Entire Network (Aggregate)

SNDi value
2.91
Rank in Nigeria
176th of 422
Rank in Kogi
5th of 11

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
KabbaIlaroMwadingusha

In new street additions, Kabba and Ilaro both built increasingly disconnected streets over time, while Mwadingusha built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Kabba and Ilaro both became progressively more disconnected, while Mwadingusha grew more disconnected from 1975 through 1991-2005, then improved. Kabba and Mwadingusha have been growing further apart in their street-network character since 1975.