Aiyetoro in context: Street-network sprawl trends

Aiyetoro in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
AiyetoroOgun (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Aiyetoro plotted against Ogun and Nigeria. The SNDi of new construction in Aiyetoro rose steadily, compared to Ogun which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Aiyetoro's incremental SNDi rose from 3.13 to 3.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Aiyetoro ranked 6th out of 16 cities in Ogun and 195th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.41
Rank in Nigeria
139th of 422
Rank in Ogun
3rd of 16

Entire Network (Aggregate)

SNDi value
3.09
Rank in Nigeria
195th of 422
Rank in Ogun
6th of 16

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
AiyetoroPalpalaWokha

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