Anxiang in context: Street-network sprawl trends

Anxiang in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
AnxiangHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anxiang plotted against Hunan and China. While Hunan and China both followed a zig-zag trend with an overall increase, Anxiang's new street additions followed a zig-zag trend with an overall decrease. Most recently, Anxiang's incremental SNDi rose from 2.74 to 2.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anxiang ranked 42nd out of 89 cities in Hunan and 865th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.78
Rank in China
725th of 1843
Rank in Hunan
42nd of 89

Entire Network (Aggregate)

SNDi value
2.81
Rank in China
865th of 1843
Rank in Hunan
42nd of 89

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
AnxiangAsosaCollege Station

In new street additions, Anxiang fluctuated in its street-construction patterns, while Asosa built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and College Station built increasingly disconnected streets over time. For the full network, Anxiang fluctuated in connectivity, while Asosa became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and College Station became progressively more disconnected. Anxiang and Asosa have been growing further apart in their street-network character since 1975.