Yining/Qulja in context: Street-network sprawl trends

Yining/Qulja 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
Yining/QuljaXinjiang Uygur (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yining/Qulja plotted against Xinjiang Uygur and China. The SNDi of new construction in Yining/Qulja rose steadily, 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, Yining/Qulja's incremental SNDi rose from 2.65 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yining/Qulja ranked 19th out of 31 cities in Xinjiang Uygur and 796th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in China
1008th of 1843
Rank in Xinjiang Uygur
23rd of 31

Entire Network (Aggregate)

SNDi value
2.75
Rank in China
796th of 1843
Rank in Xinjiang Uygur
19th of 31

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

What about similarly populated cities?

345<19751976–19901991–20052006–2020SNDi of street additions
345<19751976–19901991–20052006–2020SNDi of entire street network
Yining/QuljaEscondidoBergamo

In new street additions, Yining/Qulja built increasingly disconnected streets over time, while Escondido built increasingly disconnected streets from 1975 through 1991-2005, then improved and Bergamo built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Escondido and Bergamo both became progressively more disconnected, while Yining/Qulja became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.