Wen in context: Street-network sprawl trends

Wen in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
WenHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wen plotted against Henan and China. The SNDi of new construction in Wen peaked in 1976-1990, compared to Henan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Wen's incremental SNDi fell from 3.16 to 3.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wen ranked 77th out of 129 cities in Henan and 762nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.0
Rank in China
880th of 1843
Rank in Henan
93rd of 129

Entire Network (Aggregate)

SNDi value
2.7
Rank in China
762nd of 1843
Rank in Henan
77th of 129

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
WenSuichuanRuncorn

In new street additions, Wen and Suichuan both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Runcorn built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Wen and Runcorn both became progressively more disconnected, while Suichuan grew more disconnected from 1975 through 1976-1990, then improved. Wen and Suichuan have been converging in their street-network character since 1975.