Panzhihua in context: Street-network sprawl trends

Panzhihua in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
PanzhihuaSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Panzhihua plotted against Sichuan and China. The SNDi of new construction in Panzhihua peaked in 1976-1990, compared to Sichuan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Panzhihua's incremental SNDi fell from 6.27 to 5.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Panzhihua ranked 92nd out of 98 cities in Sichuan and 1792nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.41
Rank in China
1696th of 1843
Rank in Sichuan
85th of 98

Entire Network (Aggregate)

SNDi value
6.01
Rank in China
1792nd of 1843
Rank in Sichuan
92nd of 98

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
PanzhihuaRICCO Industrial AreaBhimavaram

In new street additions, Panzhihua built increasingly disconnected streets from 1975 through 1976-1990, then improved, while RICCO Industrial Area built increasingly disconnected streets from 1975 through 1991-2005, then improved and Bhimavaram built increasingly disconnected streets over time. For the full network, Panzhihua grew more disconnected from 1975 through 1991-2005, then improved, while RICCO Industrial Area fluctuated in connectivity and Bhimavaram became progressively more disconnected. Panzhihua and Bhimavaram have been converging in their street-network character since 1975.