Ledong Li Autonomous County in context: Street-network sprawl trends

Ledong Li Autonomous County in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Ledong Li Autonomous CountyHainan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ledong Li Autonomous County plotted against Hainan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ledong Li Autonomous County's incremental SNDi rose from 3.65 to 4.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ledong Li Autonomous County ranked 14th out of 17 cities in Hainan and 1575th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.18
Rank in China
1462nd of 1843
Rank in Hainan
12th of 17

Entire Network (Aggregate)

SNDi value
4.1
Rank in China
1575th of 1843
Rank in Hainan
14th of 17

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Ledong Li Autonomous CountyChimyonAllai

In new street additions, Ledong Li Autonomous County fluctuated in its street-construction patterns, while Chimyon built increasingly disconnected streets over time and Allai fluctuated in its street-construction patterns. For the full network, Ledong Li Autonomous County fluctuated in connectivity, while Chimyon became progressively more disconnected and Allai became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Ledong Li Autonomous County and Chimyon have been converging in their street-network character since 1975.