Jieshou in context: Street-network sprawl trends

Jieshou in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
JieshouAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jieshou plotted against Anhui and China. The SNDi of new construction in Jieshou peaked in 1991-2005, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Jieshou's incremental SNDi fell from 3.25 to 2.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jieshou ranked 45th out of 74 cities in Anhui and 867th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.91
Rank in China
820th of 1843
Rank in Anhui
44th of 74

Entire Network (Aggregate)

SNDi value
2.82
Rank in China
867th of 1843
Rank in Anhui
45th of 74

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
JieshouMingachevirYiyang County

In new street additions, Jieshou built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mingachevir built increasingly disconnected streets over time and Yiyang County built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Jieshou and Mingachevir both became progressively more disconnected, while Yiyang County grew more disconnected from 1975 through 1991-2005, then improved. Jieshou and Mingachevir have been growing further apart in their street-network character since 1975.