Liyang in context: Street-network sprawl trends

Liyang in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
LiyangAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Liyang plotted against Anhui and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Liyang's incremental SNDi rose from 2.68 to 2.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Liyang ranked 36th out of 74 cities in Anhui and 611th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.87
Rank in China
787th of 1843
Rank in Anhui
42nd of 74

Entire Network (Aggregate)

SNDi value
2.53
Rank in China
611th of 1843
Rank in Anhui
36th of 74

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
LiyangYevpatoriyaPernampattu

In new street additions, Liyang and Pernampattu both fluctuated in its street-construction patterns, while Yevpatoriya built increasingly disconnected streets over time. For the full network, Liyang and Yevpatoriya both became progressively more disconnected, while Pernampattu fluctuated in connectivity. Liyang and Yevpatoriya have been growing further apart in their street-network character since 1975.