Ogwashi-Uku in context: Street-network sprawl trends

Ogwashi-Uku in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
Ogwashi-UkuDelta (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ogwashi-Uku plotted against Delta and Nigeria. The SNDi of new construction in Ogwashi-Uku rose steadily, compared to Delta which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ogwashi-Uku's incremental SNDi rose from 5.07 to 5.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ogwashi-Uku ranked 16th out of 20 cities in Delta and 358th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
5.76
Rank in Nigeria
334th of 422
Rank in Delta
16th of 20

Entire Network (Aggregate)

SNDi value
4.69
Rank in Nigeria
358th of 422
Rank in Delta
16th of 20

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
Ogwashi-UkuSanjoPantanaw

In new street additions, Ogwashi-Uku built increasingly disconnected streets over time, while Sanjo fluctuated in its street-construction patterns and Pantanaw built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.