Igbeti in context: Street-network sprawl trends

Igbeti in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
IgbetiOyo (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Igbeti plotted against Oyo and Nigeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Igbeti's incremental SNDi rose from 2.33 to 2.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Igbeti ranked 6th out of 15 cities in Oyo and 121st out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.74
Rank in Nigeria
95th of 422
Rank in Oyo
3rd of 15

Entire Network (Aggregate)

SNDi value
2.44
Rank in Nigeria
121st of 422
Rank in Oyo
6th of 15

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

What about similarly populated cities?

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
IgbetiPonggokDong Xoai

While Ponggok and Đồng Xoài both built increasingly disconnected streets over time, Igbeti fluctuated in its street-construction patterns in new street additions. Looking at the full network, Ponggok and Đồng Xoài both became progressively more disconnected, while Igbeti fluctuated in connectivity. Igbeti and Ponggok have been growing further apart in their street-network character since 1975.