Puding in context: Street-network sprawl trends

Puding in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
PudingGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Puding plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Puding's new street additions followed a zig-zag trend with an overall increase. Most recently, Puding's incremental SNDi rose from 2.29 to 3.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Puding ranked 14th out of 41 cities in Guizhou and 632nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.06
Rank in China
928th of 1843
Rank in Guizhou
18th of 41

Entire Network (Aggregate)

SNDi value
2.56
Rank in China
632nd of 1843
Rank in Guizhou
14th of 41

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
PudingLinsNingling

In new street additions, Puding and Ningling both fluctuated in its street-construction patterns, while Lins built increasingly disconnected streets over time. For the full network, Puding and Lins both became progressively more disconnected, while Ningling fluctuated in connectivity. Notably, Puding had a more connected network than Ningling in 1975 but the two have since reversed their relative ranking.