Pujiang in context: Street-network sprawl trends

Pujiang in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
PujiangSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pujiang plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Pujiang's incremental SNDi rose from 2.52 to 3.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pujiang ranked 46th out of 98 cities in Sichuan and 1015th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.63
Rank in China
1217th of 1843
Rank in Sichuan
61st of 98

Entire Network (Aggregate)

SNDi value
2.99
Rank in China
1015th of 1843
Rank in Sichuan
46th of 98

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
PujiangMankessimAin Defla

While Mankessim and Ain Defla both built increasingly disconnected streets over time, Pujiang fluctuated in its street-construction patterns in new street additions. Looking at the full network, Mankessim and Ain Defla both became progressively more disconnected, while Pujiang fluctuated in connectivity. Pujiang and Mankessim have been growing further apart in their street-network character since 1975.