Linxia in context: Street-network sprawl trends

Linxia in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
LinxiaGansu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Linxia plotted against Gansu and China. The SNDi of new construction in Linxia peaked in 1976-1990, compared to Gansu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Linxia's incremental SNDi fell from 3.61 to 3.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Linxia ranked 10th out of 29 cities in Gansu and 1342nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.55
Rank in China
1174th of 1843
Rank in Gansu
10th of 29

Entire Network (Aggregate)

SNDi value
3.46
Rank in China
1342nd of 1843
Rank in Gansu
10th of 29

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
LinxiaXiangchengReading

Linxia, Xiangcheng, and Reading all built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street construction. For the full network, Linxia and Xiangcheng both became progressively more disconnected, while Reading grew more disconnected from 1975 through 1991-2005, then improved. Notably, Linxia had a more connected network than Xiangcheng in 1975 but the two have since reversed their relative ranking.