Meitan in context: Street-network sprawl trends

Meitan in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
MeitanGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Meitan plotted against Guizhou and China. The SNDi of new construction in Meitan peaked in 1976-1990, compared to Guizhou which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Meitan's incremental SNDi fell from 5.17 to 3.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Meitan ranked 35th out of 41 cities in Guizhou and 1666th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.8
Rank in China
1308th of 1843
Rank in Guizhou
28th of 41

Entire Network (Aggregate)

SNDi value
4.57
Rank in China
1666th of 1843
Rank in Guizhou
35th of 41

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
MeitanYeHoyland

In new street additions, Meitan built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Ye fluctuated in its street-construction patterns and Hoyland built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Meitan and Hoyland both grew more disconnected from 1975 through 1991-2005, then improved, while Ye became progressively more disconnected. Meitan and Hoyland have been growing further apart in their street-network character since 1975.