Changji/Sanji in context: Street-network sprawl trends

Changji/Sanji 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
Changji/SanjiXinjiang Uygur (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changji/Sanji plotted against Xinjiang Uygur and China. The SNDi of new construction in Changji/Sanji peaked in 1976-1990, compared to Xinjiang Uygur which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Changji/Sanji's incremental SNDi fell from 2.43 to 2.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changji/Sanji ranked 8th out of 31 cities in Xinjiang Uygur and 392nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.32
Rank in China
404th of 1843
Rank in Xinjiang Uygur
8th of 31

Entire Network (Aggregate)

SNDi value
2.25
Rank in China
392nd of 1843
Rank in Xinjiang Uygur
8th of 31

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
Changji/SanjiFukuyamaXinxing

In new street additions, Changji/Sanji and Xinxing both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Fukuyama fluctuated in its street-construction patterns. For the full network, Changji/Sanji and Fukuyama both became progressively more disconnected, while Xinxing grew more disconnected from 1975 through 1976-1990, then improved. Notably, Changji/Sanji had a more connected network than Fukuyama in 1975 but the two have since reversed their relative ranking.