Okrika in context: Street-network sprawl trends

Okrika in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
OkrikaRivers (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Okrika plotted against Rivers and Nigeria. The SNDi of new construction in Okrika peaked in 1991-2005, compared to Rivers which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Okrika's incremental SNDi fell from 6.79 to 4.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Okrika ranked 14th out of 28 cities in Rivers and 367th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.52
Rank in Nigeria
235th of 422
Rank in Rivers
7th of 28

Entire Network (Aggregate)

SNDi value
4.84
Rank in Nigeria
367th of 422
Rank in Rivers
14th of 28

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
OkrikaGetianKulim

While Getian and Kulim both fluctuated in its street-construction patterns, Okrika built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Okrika grew more disconnected from 1975 through 1991-2005, then improved, while Getian fluctuated in connectivity and Kulim became progressively more disconnected.