Shangyu District in context: Street-network sprawl trends

Shangyu District in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
Shangyu DistrictZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shangyu District plotted against Zhejiang and China. The SNDi of new construction in Shangyu District peaked in 1976-1990, compared to Zhejiang which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Shangyu District's incremental SNDi fell from 3.93 to 2.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shangyu District ranked 86th out of 116 cities in Zhejiang and 1426th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.94
Rank in China
845th of 1843
Rank in Zhejiang
58th of 116

Entire Network (Aggregate)

SNDi value
3.61
Rank in China
1426th of 1843
Rank in Zhejiang
86th of 116

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Shangyu DistrictPamplonaBusto Arsizio

While Pamplona and Busto Arsizio both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Shangyu District built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Pamplona and Busto Arsizio both became progressively more disconnected, while Shangyu District grew more disconnected from 1975 through 1976-1990, then improved.