Xincheng in context: Street-network sprawl trends

Xincheng in context

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
XinchengGansu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xincheng plotted against Gansu and China. The SNDi of new construction in Xincheng followed a zig-zag trend with an overall decrease, compared to Gansu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xincheng's incremental SNDi fell from 8.79 to 6.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xincheng ranked 29th out of 29 cities in Gansu and 1836th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
6.82
Rank in China
1793rd of 1843
Rank in Gansu
29th of 29

Entire Network (Aggregate)

SNDi value
8.38
Rank in China
1836th of 1843
Rank in Gansu
29th of 29

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
XinchengHaiyangsuoDayr Abu Hinnis

In new street additions, Xincheng fluctuated in its street-construction patterns, while Haiyangsuo built increasingly disconnected streets from 1975 through 1976-1990, then improved and Dayr Abu Hinnis built increasingly disconnected streets over time. For the full network, Xincheng became progressively more connected, while Haiyangsuo grew more disconnected from 1975 through 1976-1990, then improved and Dayr Abu Hinnis became progressively more disconnected. Notably, Xincheng had a more sprawly network than Dayr Abu Hinnis in 1975 but the two have since reversed their relative ranking.