Meishan in context: Street-network sprawl trends

Meishan in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
MeishanAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Meishan plotted against Anhui and China. The SNDi of new construction in Meishan rose steadily, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Meishan's incremental SNDi rose from 5.57 to 5.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Meishan ranked 63rd out of 74 cities in Anhui as of 2020.

New Street Additions (2006–2020)

SNDi value
5.67
Rank in Anhui
71st of 74

Entire Network (Aggregate)

SNDi value
3.54
Rank in Anhui
63rd of 74

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
MeishanHidalgo del ParralNew Bedford

In new street additions, Meishan and Hidalgo del Parral both built increasingly disconnected streets over time, while New Bedford built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.