Keriya in context: Street-network sprawl trends

Keriya in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
KeriyaXinjiang Uygur (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Keriya plotted against Xinjiang Uygur and China. The SNDi of new construction in Keriya followed a zig-zag trend with an overall decrease, 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, Keriya's incremental SNDi fell from 1.72 to 0.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Keriya ranked 1st out of 31 cities in Xinjiang Uygur and 91st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
0.92
Rank in China
10th of 1843
Rank in Xinjiang Uygur
1st of 31

Entire Network (Aggregate)

SNDi value
1.67
Rank in China
91st of 1843
Rank in Xinjiang Uygur
1st of 31

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
KeriyaZalingeiSaramabila

In new street additions, Keriya fluctuated in its street-construction patterns, while Zalingei built increasingly disconnected streets from 1975 through 1976-1990, then improved and Saramabila built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Keriya fluctuated in connectivity, while Zalingei became progressively more disconnected and Saramabila became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Keriya and Zalingei have been growing further apart in their street-network character since 1975.