Dekina 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 Dekina plotted against Kogi and Nigeria. The SNDi of new construction in Dekina rose steadily, compared to Kogi which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Dekina's incremental SNDi rose from 3.02 to 9.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dekina ranked 4th out of 11 cities in Kogi and 139th 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?

• Lauiyah Nandangarh, India
• Al Qutaynah, Sudan
• Yokadouma, Cameroon
• Brits, South Africa
• Quixadá, Brazil
• Nuevo Casas Grandes, México

In new street additions, Dekina built increasingly disconnected streets over time, while Lauiyah Nandangarh built increasingly disconnected streets from 1975 through 1976-1990, then improved and Brits fluctuated in its street-construction patterns. For the full network, Dekina and Brits both became progressively more disconnected, while Lauiyah Nandangarh grew more disconnected from 1975 through 1976-1990, then improved. Dekina and Lauiyah Nandangarh have been growing further apart in their street-network character since 1975.