Yinong in context: Street-network sprawl trends

Yinong in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
YinongZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yinong plotted against Zhejiang and China. The SNDi of new construction in Yinong was at its lowest 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, Yinong's incremental SNDi rose from 2.43 to 2.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yinong ranked 46th out of 116 cities in Zhejiang and 724th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.91
Rank in China
817th of 1843
Rank in Zhejiang
54th of 116

Entire Network (Aggregate)

SNDi value
2.67
Rank in China
724th of 1843
Rank in Zhejiang
46th 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
YinongWushengguanMalanpur

In new street additions, Yinong built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Wushengguan built increasingly disconnected streets from 1975 through 1976-1990, then improved and Malanpur fluctuated in its street-construction patterns. For the full network, Yinong became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Wushengguan grew more disconnected from 1975 through 1976-1990, then improved and Malanpur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.