Fukaya 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 Fukaya plotted against Saitama and Japan. The SNDi of new construction in Fukaya followed a zig-zag trend with an overall decrease, compared to Saitama which followed a zig-zag trend with an overall increase and Japan which followed a zig-zag trend with an overall increase. Most recently, Fukaya's incremental SNDi fell from 1.67 to 1.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Fukaya ranked 1st out of 5 cities in Saitama and 12th out of 135 in Japan as of 2020.

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

What about similarly populated cities?

• Fuding, China
• Toledo, Philippines
• Akhisar, Turkey
• Pingtan, China
• Salihli, Turkey
• Bharthana, India

In new street additions, Fukaya fluctuated in its street-construction patterns, while Fuding built increasingly disconnected streets over time and Pingtan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Fukaya fluctuated in connectivity, while Fuding became progressively more disconnected and Pingtan grew more disconnected from 1975 through 1976-1990, then improved. Notably, Fukaya had a more sprawly network than Fuding in 1975 but the two have since reversed their relative ranking.