Kunming in context: Street-network sprawl trends

Kunming in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
KunmingYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kunming plotted against Yunnan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Kunming's incremental SNDi rose from 3.3 to 3.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kunming ranked 47th out of 78 cities in Yunnan and 1203rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.82
Rank in China
1319th of 1843
Rank in Yunnan
56th of 78

Entire Network (Aggregate)

SNDi value
3.22
Rank in China
1203rd of 1843
Rank in Yunnan
47th of 78

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
KunmingFortalezaIbadan

Kunming, Fortaleza, and Ibadan all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network.