Oja Odan in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oja Odan plotted against Ogun and Nigeria. The SNDi of new construction in Oja Odan rose steadily, compared to Ogun which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Oja Odan's incremental SNDi rose from 2.33 to 4.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oja Odan ranked 4th out of 16 cities in Ogun and 190th out of 422 in Nigeria as of 2020.

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

• Coatepec, México
• Dawa, China
• Iserlohn, Germany
• Pashat, Pakistan
• الجبايش, Iraq
• Valaichchenai, Sri Lanka

In new street additions, Oja Odan and Coatepec both built increasingly disconnected streets over time, while Pashat built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Oja Odan and Coatepec both became progressively more disconnected, while Pashat became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Oja Odan and Coatepec have been growing further apart in their street-network character since 1975.