Yongqing in context: Street-network sprawl trends

Yongqing in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
YongqingHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yongqing plotted against Hebei and China. The SNDi of new construction in Yongqing was at its lowest in 1976-1990, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yongqing's incremental SNDi rose from 2.18 to 2.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yongqing ranked 18th out of 120 cities in Hebei and 381st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.5
Rank in China
515th of 1843
Rank in Hebei
23rd of 120

Entire Network (Aggregate)

SNDi value
2.23
Rank in China
381st of 1843
Rank in Hebei
18th of 120

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

What about similarly populated cities?

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
YongqingHoofddorpBisceglie

In new street additions, Yongqing and Hoofddorp both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Bisceglie built increasingly disconnected streets over time. For the full network, Yongqing fluctuated in connectivity, while Hoofddorp became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Bisceglie became progressively more disconnected. Yongqing and Bisceglie have been converging in their street-network character since 1975.