Tumen 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 Tumen plotted against Jilin and China. While Jilin and China both followed a zig-zag trend with an overall increase, Tumen's new street additions followed a zig-zag trend with an overall increase. Most recently, Tumen's incremental SNDi rose from 4.33 to 7.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tumen ranked 28th out of 47 cities in Jilin and 1080th out of 1843 in China as of 2020.

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

What about similarly populated cities?

• Palia Kalan, India
• 남흥동, North Korea
• Fateh Jang, Pakistan
• Haspura, India
• Ninh Hòa, Vietnam
• Maraucha, India

In new street additions, Tumen and Haspura both fluctuated in its street-construction patterns, while Palia Kalan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Tumen became progressively more disconnected, while Palia Kalan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Haspura fluctuated in connectivity. Tumen and Palia Kalan have been growing further apart in their street-network character since 1975.