Maguan in context: Street-network sprawl trends

Maguan in context

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
MaguanYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Maguan plotted against Yunnan and China. The SNDi of new construction in Maguan peaked in 1976-1990, compared to Yunnan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Maguan's incremental SNDi fell from 2.26 to 2.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Maguan ranked 18th out of 78 cities in Yunnan and 521st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.22
Rank in China
352nd of 1843
Rank in Yunnan
14th of 78

Entire Network (Aggregate)

SNDi value
2.41
Rank in China
521st of 1843
Rank in Yunnan
18th of 78

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
MaguanShrnakGegu

In new street additions, Maguan and Shrnak both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Gegu fluctuated in its street-construction patterns. For the full network, Maguan and Gegu both grew more disconnected from 1975 through 1976-1990, then improved, while Shrnak grew more disconnected from 1975 through 1991-2005, then improved.