Yangchun in context: Street-network sprawl trends

Yangchun in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
YangchunGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yangchun plotted against Guangdong and China. The SNDi of new construction in Yangchun rose steadily, compared to Guangdong which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yangchun's incremental SNDi rose from 3.16 to 3.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yangchun ranked 55th out of 133 cities in Guangdong and 1042nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.27
Rank in China
1030th of 1843
Rank in Guangdong
42nd of 133

Entire Network (Aggregate)

SNDi value
3.02
Rank in China
1042nd of 1843
Rank in Guangdong
55th of 133

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
YangchunTenaliBangaon

In new street additions, Yangchun and Bangaon both built increasingly disconnected streets over time, while Tenali fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Notably, Yangchun had a more sprawly network than Tenali in 1975 but the two have since reversed their relative ranking.