Shangli in context: Street-network sprawl trends

Shangli in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ShangliJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shangli plotted against Jiangxi and China. The SNDi of new construction in Shangli was at its lowest in 1991-2005, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shangli's incremental SNDi rose from 2.36 to 2.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shangli ranked 29th out of 82 cities in Jiangxi and 617th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.62
Rank in China
601st of 1843
Rank in Jiangxi
27th of 82

Entire Network (Aggregate)

SNDi value
2.54
Rank in China
617th of 1843
Rank in Jiangxi
29th of 82

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
ShangliAl MidhatiyaMustafa Kemal

In new street additions, Shangli built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Al Midhatiya fluctuated in its street-construction patterns and Mustafa Kemal built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Shangli became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Al Midhatiya fluctuated in connectivity and Mustafa Kemal fluctuated in connectivity. Notably, Shangli had a more sprawly network than Al Midhatiya in 1975 but the two have since reversed their relative ranking.