Ikire in context: Street-network sprawl trends

Ikire in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
IkireOsun (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ikire plotted against Osun and Nigeria. The SNDi of new construction in Ikire rose steadily, compared to Osun which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ikire's incremental SNDi rose from 3.61 to 4.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ikire ranked 7th out of 19 cities in Osun and 274th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.79
Rank in Nigeria
259th of 422
Rank in Osun
5th of 19

Entire Network (Aggregate)

SNDi value
3.7
Rank in Nigeria
274th of 422
Rank in Osun
7th of 19

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
IkireSamarraSunbo

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