Ila Orangun in context: Street-network sprawl trends
Ila Orangun in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ila Orangun plotted against Osun and Nigeria. The SNDi of new construction in Ila Orangun rose steadily, compared to Osun which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ila Orangun's incremental SNDi rose from 3.48 to 5.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ila Orangun ranked 6th out of 19 cities in Osun and 245th out of 422 in Nigeria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.15
- Rank in Nigeria
- 283rd of 422
- Rank in Osun
- 7th of 19
Entire Network (Aggregate)
- SNDi value
- 3.44
- Rank in Nigeria
- 245th of 422
- Rank in Osun
- 6th of 19
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Easton, United States
- Lewoleba, Indonesia
- Talang Gudang, Indonesia
- Bocholt, Germany
- Farafangana, Madagascar
- Matiranga, Bangladesh
In new street additions, Ila Orangun and Easton both built increasingly disconnected streets over time, while Bocholt built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Notably, Ila Orangun had a more connected network than Easton in 1975 but the two have since reversed their relative ranking.