Kaizhou in context: Street-network sprawl trends

Kaizhou in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kaizhou plotted against Chongqing and China. The SNDi of new construction in Kaizhou fell steadily, compared to Chongqing which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Kaizhou's incremental SNDi fell from 2.17 to 2.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kaizhou ranked 4th out of 47 cities in Chongqing and 303rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.03
Rank in China
262nd of 1843
Rank in Chongqing
5th of 47

Entire Network (Aggregate)

SNDi value
2.14
Rank in China
303rd of 1843
Rank in Chongqing
4th of 47

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

What about similarly populated cities?

2.12.42.73<19751976–19901991–20052006–2020SNDi of street additions
2.12.42.73<19751976–19901991–20052006–2020SNDi of entire street network
KaizhouWajirAli Mendjeli

In new street additions, Kaizhou built increasingly connected streets over time, while Wajir fluctuated in its street-construction patterns and Ali Mendjeli built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Kaizhou became progressively more connected, while Wajir fluctuated in connectivity and Ali Mendjeli became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Kaizhou had a more sprawly network than Wajir in 1975 but the two have since reversed their relative ranking.