Kaiyuan in context: Street-network sprawl trends

Kaiyuan in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
KaiyuanYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kaiyuan plotted against Yunnan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Kaiyuan's incremental SNDi rose from 2.3 to 4.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kaiyuan ranked 37th out of 78 cities in Yunnan and 903rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.09
Rank in China
1434th of 1843
Rank in Yunnan
59th of 78

Entire Network (Aggregate)

SNDi value
2.86
Rank in China
903rd of 1843
Rank in Yunnan
37th of 78

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

What about similarly populated cities?

2.12.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
KaiyuanSewedingGuanare

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