Siyang in context: Street-network sprawl trends

Siyang 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
SiyangJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Siyang plotted against Jiangsu and China. While Jiangsu and China both followed a zig-zag trend with an overall increase, Siyang's new street additions followed a zig-zag trend with an overall increase. Most recently, Siyang's incremental SNDi rose from 1.8 to 2.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Siyang ranked 13th out of 101 cities in Jiangsu and 199th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.21
Rank in China
338th of 1843
Rank in Jiangsu
21st of 101

Entire Network (Aggregate)

SNDi value
1.94
Rank in China
199th of 1843
Rank in Jiangsu
13th of 101

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
SiyangSan Pedro de MacorisKhost

Siyang, San Pedro de Macorís, and Khost all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Siyang and San Pedro de Macorís have been converging in their street-network character since 1975.