Qinghe in context: Street-network sprawl trends

Qinghe 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
QingheHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qinghe plotted against Hebei and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Qinghe's incremental SNDi rose from 2.47 to 2.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qinghe ranked 33rd out of 120 cities in Hebei and 592nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.6
Rank in China
584th of 1843
Rank in Hebei
30th of 120

Entire Network (Aggregate)

SNDi value
2.51
Rank in China
592nd of 1843
Rank in Hebei
33rd of 120

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

What about similarly populated cities?

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
QingheYunyangPalakollu

In new street additions, Qinghe fluctuated in its street-construction patterns, while Yunyang built increasingly disconnected streets from 1975 through 1991-2005, then improved and Palakollu built increasingly disconnected streets over time. For the full network, Qinghe fluctuated in connectivity, while Yunyang grew more disconnected from 1975 through 1991-2005, then improved and Palakollu became progressively more disconnected. Notably, Qinghe had a more sprawly network than Palakollu in 1975 but the two have since reversed their relative ranking.