Wenjiang in context: Street-network sprawl trends

Wenjiang 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
WenjiangSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wenjiang plotted against Sichuan and China. The SNDi of new construction in Wenjiang peaked in 1991-2005, 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, Wenjiang's incremental SNDi fell from 2.89 to 2.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wenjiang ranked 30th out of 98 cities in Sichuan and 807th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.77
Rank in China
720th of 1843
Rank in Sichuan
31st of 98

Entire Network (Aggregate)

SNDi value
2.76
Rank in China
807th of 1843
Rank in Sichuan
30th of 98

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
WenjiangBandar AbbasNazirhat

In new street additions, Wenjiang built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Bandar Abbas fluctuated in its street-construction patterns and Nazirhat built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Wenjiang and Bandar Abbas have been converging in their street-network character since 1975.