Xindeng in context: Street-network sprawl trends

Xindeng in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
XindengZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xindeng plotted against Zhejiang and China. The SNDi of new construction in Xindeng was at its lowest in 1991-2005, 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, Xindeng's incremental SNDi rose from 2.42 to 2.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xindeng ranked 45th out of 116 cities in Zhejiang and 703rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.6
Rank in China
585th of 1843
Rank in Zhejiang
36th of 116

Entire Network (Aggregate)

SNDi value
2.65
Rank in China
703rd of 1843
Rank in Zhejiang
45th of 116

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
XindengHuaralHuauchinango

While Huaral and Huauchinango both built increasingly disconnected streets over time, Xindeng built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Huaral and Huauchinango both became progressively more disconnected, while Xindeng became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Xindeng and Huaral have been converging in their street-network character since 1975.