Poko 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 Poko plotted against Bas-Uele and Democratic Republic of the Congo. The SNDi of new construction in Poko peaked in 1991-2005, compared to Bas-Uele 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, Poko's incremental SNDi fell from 6.12 to 4.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Poko ranked 3rd out of 4 cities in Bas-Uele and 140th 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?

• Tiquisio, Colombia
• Kafr Al-Amir Abd Allah, Egypt
• Rameswaram, India
• Chandur Bazar, India
• Bikram, India
• Otavalo, Ecuador

In new street additions, Poko built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Tiquisio built increasingly disconnected streets from 1975 through 1976-1990, then improved and Chandur Bazar built increasingly disconnected streets over time. For the full network, Poko and Chandur Bazar both became progressively more disconnected, while Tiquisio grew more disconnected from 1975 through 1976-1990, then improved. Poko and Tiquisio have been growing further apart in their street-network character since 1975.