Youyang in context: Street-network sprawl trends

Youyang in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
YouyangChongqing (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Youyang plotted against Chongqing and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Youyang's incremental SNDi rose from 2.89 to 5.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Youyang ranked 23rd out of 47 cities in Chongqing and 1198th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.34
Rank in China
1684th of 1843
Rank in Chongqing
34th of 47

Entire Network (Aggregate)

SNDi value
3.22
Rank in China
1198th of 1843
Rank in Chongqing
23rd of 47

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
YouyangGinirDiem Pho

In new street additions, Youyang and Ginir both fluctuated in its street-construction patterns, while Diêm Phổ built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Youyang and Diêm Phổ both became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Ginir fluctuated in connectivity.