Oshogbo in context: Street-network sprawl trends

Oshogbo in context

3.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
OshogboOsun (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oshogbo plotted against Osun and Nigeria. The SNDi of new construction in Oshogbo rose steadily, compared to Osun which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Oshogbo's incremental SNDi rose from 4.62 to 5.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oshogbo ranked 16th out of 19 cities in Osun and 342nd out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.19
Rank in Nigeria
288th of 422
Rank in Osun
9th of 19

Entire Network (Aggregate)

SNDi value
4.44
Rank in Nigeria
342nd of 422
Rank in Osun
16th of 19

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

What about similarly populated cities?

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
OshogboJhansiJiaxing

In new street additions, Oshogbo and Jhansi both built increasingly disconnected streets over time, while Jiaxing fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Oshogbo and Jhansi have been growing further apart in their street-network character since 1975.