Dianjiang in context: Street-network sprawl trends

Dianjiang in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
DianjiangChongqing (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dianjiang plotted against Chongqing and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dianjiang's incremental SNDi rose from 2.21 to 2.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dianjiang ranked 9th out of 47 cities in Chongqing and 552nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.75
Rank in China
697th of 1843
Rank in Chongqing
13th of 47

Entire Network (Aggregate)

SNDi value
2.47
Rank in China
552nd of 1843
Rank in Chongqing
9th of 47

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
DianjiangRiwotoSherpur

In new street additions, Dianjiang fluctuated in its street-construction patterns, while Riwoto fluctuated in its street-construction patterns and Sherpur fluctuated in its street-construction patterns. For the full network, Dianjiang became progressively more disconnected, while Riwoto became progressively more connected and Sherpur fluctuated in connectivity. Dianjiang and Riwoto have been converging in their street-network character since 1975.