Jinping in context: Street-network sprawl trends

Jinping in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
JinpingYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jinping plotted against Yunnan and China. The SNDi of new construction in Jinping 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, Jinping's incremental SNDi fell from 6.31 to 4.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jinping ranked 73rd out of 78 cities in Yunnan and 1759th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.31
Rank in China
1490th of 1843
Rank in Yunnan
62nd of 78

Entire Network (Aggregate)

SNDi value
5.38
Rank in China
1759th of 1843
Rank in Yunnan
73rd of 78

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
JinpingChunarughatSaakow

In new street additions, Jinping built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Chunarughat built increasingly disconnected streets over time and Saakow fluctuated in its street-construction patterns. Looking at the full network, Chunarughat and Saakow both became progressively more disconnected, while Jinping grew more disconnected from 1975 through 1991-2005, then improved. Jinping and Chunarughat have been growing further apart in their street-network character since 1975.