Xiejiazhuang in context: Street-network sprawl trends

Xiejiazhuang 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
XiejiazhuangShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xiejiazhuang plotted against Shandong and China. The SNDi of new construction in Xiejiazhuang peaked in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xiejiazhuang's incremental SNDi fell from 3.24 to 2.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xiejiazhuang ranked 93rd out of 124 cities in Shandong and 957th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.92
Rank in China
826th of 1843
Rank in Shandong
79th of 124

Entire Network (Aggregate)

SNDi value
2.92
Rank in China
957th of 1843
Rank in Shandong
93rd of 124

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
XiejiazhuangSabalgarhShi Shang Cun

While Sabalgarh and 石上村 both fluctuated in its street-construction patterns, Xiejiazhuang built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Sabalgarh and 石上村 both fluctuated in connectivity, while Xiejiazhuang grew more disconnected from 1975 through 1991-2005, then improved. Xiejiazhuang and Sabalgarh have been converging in their street-network character since 1975.