Okpogho in context: Street-network sprawl trends
Okpogho in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Okpogho plotted against Enugu and Nigeria. The SNDi of new construction in Okpogho peaked in 1991-2005, compared to Enugu which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Okpogho's incremental SNDi fell from 4.61 to 4.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Okpogho ranked 4th out of 11 cities in Enugu and 318th out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.58
- Rank in Nigeria
- 240th of 422
- Rank in Enugu
- 5th of 11
Entire Network (Aggregate)
- SNDi value
- 4.07
- Rank in Nigeria
- 318th of 422
- Rank in Enugu
- 4th of 11
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Zhenwen, China
- Daliyat al-Karmel, Israel
- Jemmal, Tunisia
- Mpika, Zambia
- Darou Mousty, Senegal
- Jacundá, Brazil
While Zhenwen and Mpika both fluctuated in its street-construction patterns, Okpogho built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Okpogho and Mpika both became progressively more disconnected, while Zhenwen fluctuated in connectivity.