Yingde in context: Street-network sprawl trends

Yingde in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
YingdeGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yingde plotted against Guangdong and China. The SNDi of new construction in Yingde peaked in 1976-1990, 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, Yingde's incremental SNDi fell from 2.69 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yingde ranked 42nd out of 133 cities in Guangdong and 777th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.63
Rank in China
608th of 1843
Rank in Guangdong
19th of 133

Entire Network (Aggregate)

SNDi value
2.73
Rank in China
777th of 1843
Rank in Guangdong
42nd of 133

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
YingdeFushunLeon

In new street additions, Yingde built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Fushun fluctuated in its street-construction patterns and León built increasingly disconnected streets over time. For the full network, Yingde grew more disconnected from 1975 through 1976-1990, then improved, while Fushun fluctuated in connectivity and León became progressively more disconnected. Yingde and León have been converging in their street-network character since 1975.