Matian in context: Street-network sprawl trends

Matian in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
MatianHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Matian plotted against Hunan and China. The SNDi of new construction in Matian peaked in 1991-2005, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Matian's incremental SNDi fell from 5.47 to 3.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Matian ranked 78th out of 89 cities in Hunan and 1576th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.49
Rank in China
1148th of 1843
Rank in Hunan
61st of 89

Entire Network (Aggregate)

SNDi value
4.11
Rank in China
1576th of 1843
Rank in Hunan
78th of 89

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
MatianGokarnaIvanteyevka

In new street additions, Matian built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Gokarna fluctuated in its street-construction patterns and Ivanteyevka built increasingly disconnected streets over time. For the full network, Matian grew more disconnected from 1975 through 1991-2005, then improved, while Gokarna fluctuated in connectivity and Ivanteyevka became progressively more disconnected.