Qiaojia in context: Street-network sprawl trends

Qiaojia in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qiaojia plotted against Yunnan and China. The SNDi of new construction in Qiaojia fell steadily, 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, Qiaojia's incremental SNDi fell from 5.57 to 5.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qiaojia ranked 75th out of 78 cities in Yunnan and 1778th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.38
Rank in China
1692nd of 1843
Rank in Yunnan
69th of 78

Entire Network (Aggregate)

SNDi value
5.64
Rank in China
1778th of 1843
Rank in Yunnan
75th 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
QiaojiaFormosaBaisi

In new street additions, Qiaojia built increasingly connected streets over time, while Formosa fluctuated in its street-construction patterns and Baisi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Qiaojia became progressively more connected, while Formosa fluctuated in connectivity and Baisi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.