Yingjiang County in context: Street-network sprawl trends

Yingjiang County in context

33.544.55<19751976–19901991–20052006–2020SNDi of street additions
33.544.55<19751976–19901991–20052006–2020SNDi of entire street network
Yingjiang CountyYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yingjiang County plotted against Yunnan and China. The SNDi of new construction in Yingjiang County peaked in 1991-2005, compared to Yunnan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yingjiang County's incremental SNDi fell from 4.72 to 3.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yingjiang County ranked 52nd out of 78 cities in Yunnan and 1318th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.69
Rank in China
1243rd of 1843
Rank in Yunnan
49th of 78

Entire Network (Aggregate)

SNDi value
3.42
Rank in China
1318th of 1843
Rank in Yunnan
52nd of 78

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Yingjiang CountyKumarghatYanshan

In new street additions, Yingjiang County built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kumarghat fluctuated in its street-construction patterns and Yanshan built increasingly disconnected streets over time. For the full network, Yingjiang County and Yanshan both became progressively more disconnected, while Kumarghat became progressively more disconnected. Yingjiang County and Kumarghat have been growing further apart in their street-network character since 1975.