Peng'an in context: Street-network sprawl trends

Peng'an in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
Peng'anSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Peng'an plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Peng'an's incremental SNDi rose from 3.01 to 3.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Peng'an ranked 54th out of 98 cities in Sichuan and 1138th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.06
Rank in China
925th of 1843
Rank in Sichuan
46th of 98

Entire Network (Aggregate)

SNDi value
3.15
Rank in China
1138th of 1843
Rank in Sichuan
54th of 98

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
Peng'anAmasyaGreeley

In new street additions, Peng'an fluctuated in its street-construction patterns, while Amasya fluctuated in its street-construction patterns and Greeley built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Peng'an grew more disconnected from 1975 through 1976-1990, then improved, while Amasya became progressively more connected and Greeley became progressively more disconnected. Peng'an and Amasya have been growing further apart in their street-network character since 1975.