Okopedi in context: Street-network sprawl trends

Okopedi in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
OkopediAkwa Ibom (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Okopedi plotted against Akwa Ibom and Nigeria. While Akwa Ibom and Nigeria both followed a zig-zag trend with an overall increase, Okopedi's new street additions followed a zig-zag trend with an overall increase. Most recently, Okopedi's incremental SNDi rose from 1.9 to 5.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Okopedi ranked 1st out of 16 cities in Akwa Ibom and 128th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.77
Rank in Nigeria
336th of 422
Rank in Akwa Ibom
9th of 16

Entire Network (Aggregate)

SNDi value
2.49
Rank in Nigeria
128th of 422
Rank in Akwa Ibom
1st of 16

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
OkopediIllelaTalagante

In new street additions, Okopedi fluctuated in its street-construction patterns, while Illela built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Talagante built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Okopedi fluctuated in connectivity, while Illela became progressively more connected and Talagante grew more disconnected from 1975 through 1976-1990, then improved. Notably, Okopedi had a more connected network than Illela in 1975 but the two have since reversed their relative ranking.