Umm Ruwaba 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 Umm Ruwaba plotted against North Kurdufan and Sudan. While North Kurdufan and Sudan both followed a zig-zag trend with an overall increase, Umm Ruwaba's new street additions followed a zig-zag trend with an overall increase. Most recently, Umm Ruwaba's incremental SNDi rose from 1.5 to 2.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Umm Ruwaba ranked 3rd out of 5 cities in North Kurdufan and 45th out of 78 in Sudan as of 2020.

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

What about similarly populated cities?

• Datia, India
• Hebi, China
• Des Moines, United States
• San Pedro de Macorís, Dominican Republic
• Siyang, China
• Khost, Afghanistan

In new street additions, Umm Ruwaba and San Pedro de Macorís both fluctuated in its street-construction patterns, while Datia fluctuated in its street-construction patterns. For the full network, Umm Ruwaba and San Pedro de Macorís both became progressively more disconnected, while Datia became progressively more connected. Umm Ruwaba and Datia have been converging in their street-network character since 1975.