Jingbian in context: Street-network sprawl trends

Jingbian in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
JingbianShaanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jingbian plotted against Shaanxi and China. The SNDi of new construction in Jingbian was at its lowest in 1976-1990, compared to Shaanxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jingbian's incremental SNDi rose from 2.81 to 3.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jingbian ranked 31st out of 62 cities in Shaanxi and 941st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.18
Rank in China
993rd of 1843
Rank in Shaanxi
38th of 62

Entire Network (Aggregate)

SNDi value
2.9
Rank in China
941st of 1843
Rank in Shaanxi
31st of 62

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
JingbianBirimbal al QuadimaLianyuan

In new street additions, Jingbian built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Birimbal al Quadima built increasingly disconnected streets over time and Lianyuan fluctuated in its street-construction patterns. For the full network, Jingbian became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Birimbal al Quadima became progressively more disconnected and Lianyuan grew more disconnected from 1975 through 1976-1990, then improved. Notably, Jingbian had a more connected network than Birimbal al Quadima in 1975 but the two have since reversed their relative ranking.