Meishan in context: Street-network sprawl trends

Meishan in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
MeishanSichuan (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 Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Meishan's incremental SNDi rose from 2.2 to 2.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Meishan ranked 14th out of 98 cities in Sichuan and 386th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.55
Rank in China
548th of 1843
Rank in Sichuan
22nd of 98

Entire Network (Aggregate)

SNDi value
2.24
Rank in China
386th of 1843
Rank in Sichuan
14th of 98

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
MeishanJinhePort of Spain

In new street additions, Meishan and Jinhe both fluctuated in its street-construction patterns, while Port of Spain built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Meishan and Port of Spain both became progressively more disconnected, while Jinhe fluctuated in connectivity.