David 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 David plotted against Chiriquí and Panama. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, David's incremental SNDi rose from 3.93 to 6.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, David ranked 1st out of 1 cities in Chiriquí and 1st out of 5 in Panama as of 2020.

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

What about similarly populated cities?

• Kapiri Mposhi, Zambia
• Jajag, Indonesia
• Pattukkottai, India
• Palma Soriano, Cuba
• Buga, Colombia
• Honghu, China

In new street additions, David built increasingly disconnected streets over time, while Kapiri Mposhi fluctuated in its street-construction patterns and Palma Soriano built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, David and Palma Soriano both became progressively more disconnected, while Kapiri Mposhi fluctuated in connectivity. Notably, David had a more connected network than Kapiri Mposhi in 1975 but the two have since reversed their relative ranking.