Meichuan in context: Street-network sprawl trends

Meichuan in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
MeichuanHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Meichuan plotted against Hubei and China. The SNDi of new construction in Meichuan followed a zig-zag trend with an overall decrease, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Meichuan's incremental SNDi fell from 2.72 to 2.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Meichuan ranked 31st out of 77 cities in Hubei and 761st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.65
Rank in China
626th of 1843
Rank in Hubei
22nd of 77

Entire Network (Aggregate)

SNDi value
2.7
Rank in China
761st of 1843
Rank in Hubei
31st of 77

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
MeichuanIperuHedong

In new street additions, Meichuan fluctuated in its street-construction patterns, while Iperu built increasingly disconnected streets from 1975 through 1991-2005, then improved and Hedong fluctuated in its street-construction patterns. For the full network, Meichuan became progressively more connected, while Iperu became progressively more disconnected and Hedong fluctuated in connectivity. Notably, Meichuan had a more sprawly network than Iperu in 1975 but the two have since reversed their relative ranking.