Bayuquan in context: Street-network sprawl trends

Bayuquan 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
BayuquanLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bayuquan plotted against Liaoning and China. The SNDi of new construction in Bayuquan was at its lowest in 1976-1990, compared to Liaoning which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Bayuquan's incremental SNDi rose from 2.59 to 2.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bayuquan ranked 28th out of 61 cities in Liaoning and 649th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.76
Rank in China
700th of 1843
Rank in Liaoning
26th of 61

Entire Network (Aggregate)

SNDi value
2.57
Rank in China
649th of 1843
Rank in Liaoning
28th of 61

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

What about similarly populated cities?

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
BayuquanXianningCampos dos Goytacazes

In new street additions, Bayuquan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Xianning built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Campos dos Goytacazes fluctuated in its street-construction patterns. For the full network, Bayuquan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Xianning became progressively more connected and Campos dos Goytacazes became progressively more disconnected. Notably, Bayuquan had a more sprawly network than Campos dos Goytacazes in 1975 but the two have since reversed their relative ranking.