Soku 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 Soku plotted against Rivers and Nigeria. The SNDi of new construction in Soku followed a zig-zag trend, compared to Rivers which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Soku's incremental SNDi rose from 4.87 to 11.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Soku ranked 18th out of 28 cities in Rivers and 387th 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?

• Muling, China
• Lahladpur, India
• Wenchi, Ghana
• Gunung Tua, Indonesia
• Fairland, United States
• Izobilnyy, Russia

In new street additions, Soku fluctuated in its street-construction patterns, while Muling built increasingly disconnected streets from 1975 through 1991-2005, then improved and Gunung Tua fluctuated in its street-construction patterns. For the full network, Soku fluctuated in connectivity, while Muling grew more disconnected from 1975 through 1991-2005, then improved and Gunung Tua became progressively more disconnected. Soku and Gunung Tua have been growing further apart in their street-network character since 1975.