Warri in context: Street-network sprawl trends
Warri in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Warri plotted against Delta and Nigeria. The SNDi of new construction in Warri rose steadily, compared to Delta which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Warri's incremental SNDi rose from 5.55 to 5.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Warri ranked 17th out of 20 cities in Delta and 383rd out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.61
- Rank in Nigeria
- 322nd of 422
- Rank in Delta
- 14th of 20
Entire Network (Aggregate)
- SNDi value
- 5.16
- Rank in Nigeria
- 383rd of 422
- Rank in Delta
- 17th of 20
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Dushanbe, Tajikistan
- Cochabamba, Bolivia
- Belgrade, Serbia
- Sargodha, Pakistan
- Mardan, Pakistan
- Tiruppur, India
Warri, Dushanbe, and Sargodha all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Warri and Dushanbe have been converging in their street-network character since 1975.