Dungu 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 Dungu plotted against Haut-Uele and Democratic Republic of the Congo. The SNDi of new construction in Dungu rose steadily, compared to Haut-Uele which rose steadily and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Dungu's incremental SNDi rose from 3.34 to 4.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dungu ranked 1st out of 3 cities in Haut-Uele and 84th 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?

• Bhushan Steel City, India
• Santa Cruz de Barahona, Dominican Republic
• Selu, India
• Jadcherla, India
• Mianchi, China
• Athani, India

In new street additions, Dungu built increasingly disconnected streets over time, while Bhushan Steel City fluctuated in its street-construction patterns and Jadcherla built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Dungu became progressively more disconnected, while Bhushan Steel City fluctuated in connectivity and Jadcherla became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Dungu had a more connected network than Jadcherla in 1975 but the two have since reversed their relative ranking.