Xinxing in context: Street-network sprawl trends

Xinxing in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
XinxingHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xinxing plotted against Heilongjiang and China. The SNDi of new construction in Xinxing peaked in 1976-1990, compared to Heilongjiang which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xinxing's incremental SNDi fell from 2.62 to 2.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xinxing ranked 53rd out of 67 cities in Heilongjiang and 1116th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.55
Rank in China
547th of 1843
Rank in Heilongjiang
23rd of 67

Entire Network (Aggregate)

SNDi value
3.12
Rank in China
1116th of 1843
Rank in Heilongjiang
53rd of 67

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
XinxingChangji/SanjiKansas City

In new street additions, Xinxing and Changji/Sanji both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kansas City built increasingly disconnected streets over time. Looking at the full network, Changji/Sanji and Kansas City both became progressively more disconnected, while Xinxing grew more disconnected from 1975 through 1976-1990, then improved. Xinxing and Changji/Sanji have been converging in their street-network character since 1975.