Sui in context: Street-network sprawl trends

Sui 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
SuiHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sui plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Sui's new street additions followed a zig-zag trend with an overall increase. Most recently, Sui's incremental SNDi rose from 1.74 to 1.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sui ranked 8th out of 129 cities in Henan and 59th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.75
Rank in China
138th of 1843
Rank in Henan
16th of 129

Entire Network (Aggregate)

SNDi value
1.58
Rank in China
59th of 1843
Rank in Henan
8th of 129

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
SuiGurielNankang

In new street additions, Sui fluctuated in its street-construction patterns, while Guriel fluctuated in its street-construction patterns and Nankang built increasingly disconnected streets over time. For the full network, Sui and Nankang both became progressively more disconnected, while Guriel fluctuated in connectivity. Sui and Guriel have been growing further apart in their street-network character since 1975.