Liu'erbao in context: Street-network sprawl trends

Liu'erbao in context

2.533.544.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.544.5<19751976–19901991–20052006–2020SNDi of entire street network
Liu'erbaoLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Liu'erbao plotted against Liaoning and China. The SNDi of new construction in Liu'erbao 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, Liu'erbao's incremental SNDi rose from 3.21 to 3.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Liu'erbao ranked 46th out of 61 cities in Liaoning and 1164th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.31
Rank in China
1054th of 1843
Rank in Liaoning
34th of 61

Entire Network (Aggregate)

SNDi value
3.18
Rank in China
1164th of 1843
Rank in Liaoning
46th of 61

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Liu'erbaoQuwoAlangulam

In new street additions, Liu'erbao built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Quwo built increasingly disconnected streets from 1975 through 1976-1990, then improved and Alangulam built increasingly disconnected streets over time. For the full network, Liu'erbao became progressively more connected, while Quwo grew more disconnected from 1975 through 1976-1990, then improved and Alangulam became progressively more disconnected. Notably, Liu'erbao had a more sprawly network than Quwo in 1975 but the two have since reversed their relative ranking.