Shiping in context: Street-network sprawl trends

Shiping 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
ShipingYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shiping plotted against Yunnan and China. The SNDi of new construction in Shiping peaked in 1976-1990, 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, Shiping's incremental SNDi fell from 3.0 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shiping ranked 46th out of 78 cities in Yunnan and 1126th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.69
Rank in China
654th of 1843
Rank in Yunnan
30th of 78

Entire Network (Aggregate)

SNDi value
3.13
Rank in China
1126th of 1843
Rank in Yunnan
46th of 78

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ShipingMertule MariamSinga

In new street additions, Shiping and Singa both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Mertule Mariam fluctuated in its street-construction patterns. For the full network, Shiping and Singa both grew more disconnected from 1975 through 1976-1990, then improved, while Mertule Mariam fluctuated in connectivity. Shiping and Mertule Mariam have been converging in their street-network character since 1975.