Nguzu Edda 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 Nguzu Edda plotted against Ebonyi and Nigeria. While Ebonyi and Nigeria both followed a zig-zag trend with an overall increase, Nguzu Edda's new street additions followed a zig-zag trend with an overall increase. Most recently, Nguzu Edda's incremental SNDi rose from 5.2 to 6.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nguzu Edda ranked 8th out of 9 cities in Ebonyi and 390th 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?

• Fuping County, China
• Pangkajene, Indonesia
• Velikiye Luki, Russia
• Buchanan, Liberia
• Bajpur, India
• Lawdar, Yemen

In new street additions, Nguzu Edda fluctuated in its street-construction patterns, while Fuping County built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Buchanan built increasingly disconnected streets over time. For the full network, Nguzu Edda and Buchanan both became progressively more disconnected, while Fuping County became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Nguzu Edda and Fuping County have been growing further apart in their street-network character since 1975.