Koungheul 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 Koungheul plotted against Kaffrine and Senegal. While Kaffrine and Senegal both followed a zig-zag trend with an overall increase, Koungheul's new street additions followed a zig-zag trend with an overall increase. Most recently, Koungheul's incremental SNDi rose from 1.17 to 1.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Koungheul ranked 1st out of 2 cities in Kaffrine and 8th out of 25 in Senegal as of 2020.

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

What about similarly populated cities?

• Battipaglia, Italy
• Astara, Azerbaijan
• Baksan, Russia
• Talavera de la Reina, Spain
• Longmen, China
• Huaning, China

In new street additions, Koungheul fluctuated in its street-construction patterns, while Battipaglia built increasingly disconnected streets over time and Talavera de la Reina built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Koungheul and Battipaglia both became progressively more disconnected, while Talavera de la Reina grew more disconnected from 1975 through 1991-2005, then improved. Koungheul and Talavera de la Reina have been converging in their street-network character since 1975.