Xinning in context: Street-network sprawl trends

Xinning in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
XinningHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xinning plotted against Hunan and China. The SNDi of new construction in Xinning peaked in 1976-1990, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xinning's incremental SNDi fell from 2.65 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xinning ranked 38th out of 89 cities in Hunan and 767th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in China
244th of 1843
Rank in Hunan
16th of 89

Entire Network (Aggregate)

SNDi value
2.72
Rank in China
767th of 1843
Rank in Hunan
38th of 89

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
XinningKandiNasriganj

In new street additions, Xinning built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kandi built increasingly disconnected streets over time and Nasriganj built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Xinning grew more disconnected from 1975 through 1976-1990, then improved, while Kandi became progressively more disconnected and Nasriganj grew more disconnected from 1975 through 1991-2005, then improved. Xinning and Kandi have been converging in their street-network character since 1975.