Pinglu in context: Street-network sprawl trends

Pinglu in context

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
PingluShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pinglu plotted against Shanxi and China. The SNDi of new construction in Pinglu rose steadily, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Pinglu's incremental SNDi rose from 3.58 to 3.68 between 1991-2005 and 2006-2020.

New Street Additions (2006–2020)

SNDi value
3.68

Entire Network (Aggregate)

SNDi value
3.27

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
PingluZuogezhuangWuyi County

In new street additions, Pinglu and Zuogezhuang both built increasingly disconnected streets over time, while Wuyi County fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Pinglu and Zuogezhuang have been converging in their street-network character since 1975.