Yakoma 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 Yakoma plotted against Nord-Ubangi and Democratic Republic of the Congo. The SNDi of new construction in Yakoma rose steadily, compared to Nord-Ubangi which followed a zig-zag trend with an overall increase and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Yakoma's incremental SNDi rose from 7.21 to 9.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yakoma ranked 4th out of 5 cities in Nord-Ubangi and 142nd out of 186 in Democratic Republic of the Congo as of 2020.

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

What about similarly populated cities?

• Terenuthis, Egypt
• Pir jo Goth, Pakistan
• Xuedian, China
• Koi, Nigeria
• Iquitos, Peru
• Alem Ketema, Ethiopia

While Terenuthis and Koi both fluctuated in its street-construction patterns, Yakoma built increasingly disconnected streets over time in new street additions. For the full network, Yakoma and Koi both became progressively more disconnected, while Terenuthis fluctuated in connectivity.