Umunede in context: Street-network sprawl trends
Umunede in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Umunede plotted against Delta and Nigeria. The SNDi of new construction in Umunede rose steadily, compared to Delta which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Umunede's incremental SNDi rose from 6.43 to 9.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Umunede ranked 8th out of 20 cities in Delta and 256th out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 9.12
- Rank in Nigeria
- 402nd of 422
- Rank in Delta
- 19th of 20
Entire Network (Aggregate)
- SNDi value
- 3.54
- Rank in Nigeria
- 256th of 422
- Rank in Delta
- 8th of 20
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
While Taki and Quanzhou both fluctuated in its street-construction patterns, Umunede built increasingly disconnected streets over time in new street additions. For the full network, Umunede and Taki both became progressively more disconnected, while Quanzhou grew more disconnected from 1975 through 1976-1990, then improved. Umunede and Quanzhou have been growing further apart in their street-network character since 1975.