Suralaya 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 Suralaya plotted against Banten and Indonesia. The SNDi of new construction in Suralaya followed a zig-zag trend with an overall increase, compared to Banten which followed a zig-zag trend with an overall increase and Indonesia which rose steadily. Most recently, Suralaya's incremental SNDi rose from 6.09 to 8.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suralaya ranked 7th out of 7 cities in Banten and 357th out of 366 in Indonesia as of 2020.

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

What about similarly populated cities?

• Manresa, Spain
• Tecate, México
• Taian, China
• Damo New Village, China
• Siyahgird, Afghanistan
• Pattan, Jammu and Kashmir

In new street additions, Suralaya and Manresa both fluctuated in its street-construction patterns, while Damo New Village built increasingly connected streets over time. For the full network, Suralaya fluctuated in connectivity, while Manresa became progressively more disconnected and Damo New Village became progressively more connected. Notably, Suralaya had a more connected network than Damo New Village in 1975 but the two have since reversed their relative ranking.