Jinzhong in context: Street-network sprawl trends

Jinzhong in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
JinzhongShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jinzhong plotted against Shanxi and China. The SNDi of new construction in Jinzhong fell steadily, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Jinzhong's incremental SNDi fell from 2.85 to 2.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jinzhong ranked 58th out of 80 cities in Shanxi and 1352nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.31
Rank in China
398th of 1843
Rank in Shanxi
20th of 80

Entire Network (Aggregate)

SNDi value
3.47
Rank in China
1352nd of 1843
Rank in Shanxi
58th of 80

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
JinzhongGaomiShizuoka

While Gaomi and Shizuoka both fluctuated in its street-construction patterns, Jinzhong built increasingly connected streets over time in new street additions. Looking at the full network, Gaomi and Shizuoka both became progressively more disconnected, while Jinzhong became progressively more connected. Jinzhong and Gaomi have been converging in their street-network character since 1975.