Kaijiang in context: Street-network sprawl trends

Kaijiang in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
KaijiangSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kaijiang plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Kaijiang's incremental SNDi rose from 2.79 to 3.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kaijiang ranked 50th out of 98 cities in Sichuan and 1075th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.86
Rank in China
1333rd of 1843
Rank in Sichuan
65th of 98

Entire Network (Aggregate)

SNDi value
3.05
Rank in China
1075th of 1843
Rank in Sichuan
50th of 98

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
KaijiangKallakurichiSillod

While Kallakurichi and Sillod both built increasingly disconnected streets over time, Kaijiang fluctuated in its street-construction patterns in new street additions. Looking at the full network, Kallakurichi and Sillod both became progressively more disconnected, while Kaijiang fluctuated in connectivity. Notably, Kaijiang had a more sprawly network than Kallakurichi in 1975 but the two have since reversed their relative ranking.