Anyi in context: Street-network sprawl trends

Anyi in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
AnyiJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anyi plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Anyi's new street additions followed a zig-zag trend with an overall increase. Most recently, Anyi's incremental SNDi rose from 1.56 to 2.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anyi ranked 10th out of 82 cities in Jiangxi and 286th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.87
Rank in China
794th of 1843
Rank in Jiangxi
45th of 82

Entire Network (Aggregate)

SNDi value
2.12
Rank in China
286th of 1843
Rank in Jiangxi
10th of 82

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
AnyiKingstonMay Pen

In new street additions, Anyi fluctuated in its street-construction patterns, while Kingston built increasingly disconnected streets over time and May Pen built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Anyi fluctuated in connectivity, while Kingston became progressively more disconnected and May Pen grew more disconnected from 1975 through 1991-2005, then improved. Anyi and Kingston have been converging in their street-network character since 1975.