Lianping in context: Street-network sprawl trends

Lianping in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lianping plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Lianping's incremental SNDi rose from 1.46 to 2.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lianping ranked 7th out of 133 cities in Guangdong and 176th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.74
Rank in China
686th of 1843
Rank in Guangdong
25th of 133

Entire Network (Aggregate)

SNDi value
1.9
Rank in China
176th of 1843
Rank in Guangdong
7th of 133

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

What about similarly populated cities?

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
LianpingBalsasPuqian

In new street additions, Lianping and Balsas both fluctuated in its street-construction patterns, while Puqian built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Lianping and Balsas both fluctuated in connectivity, while Puqian grew more disconnected from 1975 through 1991-2005, then improved. Notably, Lianping had a more sprawly network than Puqian in 1975 but the two have since reversed their relative ranking.