Dali in context: Street-network sprawl trends

Dali 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
DaliYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dali plotted against Yunnan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dali's incremental SNDi rose from 2.75 to 3.28 between 1991-2005 and 2006-2020.

New Street Additions (2006–2020)

SNDi value
3.28

Entire Network (Aggregate)

SNDi value
2.85

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
DaliVladimirVinh Long

While Vladimir and Vinh Long both built increasingly disconnected streets over time, Dali fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend.