Mangi 1 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 Mangi 1 plotted against Haut-Lomami and Democratic Republic of the Congo. While Haut-Lomami and Democratic Republic of the Congo both followed a zig-zag trend with an overall increase, Mangi 1's new street additions followed a zig-zag trend with an overall increase. Most recently, Mangi 1's incremental SNDi rose from 2.03 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mangi 1 ranked 4th out of 17 cities in Haut-Lomami and 35th 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?

• Morsito, Ethiopia
• Lingwu, China
• Diêm Phổ, Vietnam
• Machhlishahr, India
• Catarman, Philippines
• Huachuan, China

In new street additions, Mangi 1 fluctuated in its street-construction patterns, while Morsito built increasingly disconnected streets over time and Machhlishahr fluctuated in its street-construction patterns. For the full network, Mangi 1 fluctuated in connectivity, while Morsito became progressively more disconnected and Machhlishahr became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Mangi 1 had a more sprawly network than Morsito in 1975 but the two have since reversed their relative ranking.