Luliang in context: Street-network sprawl trends

Luliang in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
LuliangYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luliang plotted against Yunnan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Luliang's incremental SNDi rose from 1.99 to 2.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luliang ranked 4th out of 78 cities in Yunnan and 194th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.11
Rank in China
301st of 1843
Rank in Yunnan
13th of 78

Entire Network (Aggregate)

SNDi value
1.92
Rank in China
194th of 1843
Rank in Yunnan
4th of 78

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
LuliangJiaolingOdanthurai

While Jiaoling and Odanthurai both built increasingly disconnected streets over time, Luliang fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Luliang and Odanthurai have been growing further apart in their street-network character since 1975.