Xinfeng in context: Street-network sprawl trends

Xinfeng in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xinfeng plotted against Jiangxi and China. The SNDi of new construction in Xinfeng peaked 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, Xinfeng's incremental SNDi fell from 4.08 to 3.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xinfeng ranked 70th out of 82 cities in Jiangxi and 1428th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.93
Rank in China
1372nd of 1843
Rank in Jiangxi
72nd of 82

Entire Network (Aggregate)

SNDi value
3.61
Rank in China
1428th of 1843
Rank in Jiangxi
70th of 82

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
XinfengMarbellaKyaiklat

In new street additions, Xinfeng and Marbella both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kyaiklat fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Xinfeng and Marbella have been converging in their street-network character since 1975.