Minquan in context: Street-network sprawl trends

Minquan 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
MinquanHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Minquan plotted against Henan and China. The SNDi of new construction in Minquan peaked in 1976-1990, compared to Henan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Minquan's incremental SNDi fell from 2.37 to 1.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Minquan ranked 32nd out of 129 cities in Henan and 204th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.66
Rank in China
107th of 1843
Rank in Henan
11th of 129

Entire Network (Aggregate)

SNDi value
1.95
Rank in China
204th of 1843
Rank in Henan
32nd of 129

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
MinquanBarbacenaQuchan

In new street additions, Minquan built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Barbacena fluctuated in its street-construction patterns and Quchan built increasingly disconnected streets over time. Looking at the full network, Barbacena and Quchan both became progressively more disconnected, while Minquan grew more disconnected from 1975 through 1991-2005, then improved. Minquan and Barbacena have been growing further apart in their street-network character since 1975.