Yanpen in context: Street-network sprawl trends

Yanpen in context

3.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
YanpenZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yanpen plotted against Zhejiang and China. The SNDi of new construction in Yanpen fell steadily, 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, Yanpen's incremental SNDi fell from 4.54 to 3.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yanpen ranked 100th out of 116 cities in Zhejiang and 1683rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.62
Rank in China
1203rd of 1843
Rank in Zhejiang
77th of 116

Entire Network (Aggregate)

SNDi value
4.67
Rank in China
1683rd of 1843
Rank in Zhejiang
100th of 116

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
YanpenQila Didar SinghMakhanda

In new street additions, Yanpen built increasingly connected streets over time, while Qila Didar Singh built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Makhanda built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Yanpen became progressively more connected, while Qila Didar Singh became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Makhanda grew more disconnected from 1975 through 1991-2005, then improved. Yanpen and Qila Didar Singh have been converging in their street-network character since 1975.