Heze in context: Street-network sprawl trends

Heze 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
HezeShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Heze plotted against Shandong and China. While Shandong and China both followed a zig-zag trend with an overall increase, Heze's new street additions followed a zig-zag trend with an overall increase. Most recently, Heze's incremental SNDi rose from 2.57 to 2.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Heze ranked 65th out of 124 cities in Shandong and 454th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.58
Rank in China
574th of 1843
Rank in Shandong
61st of 124

Entire Network (Aggregate)

SNDi value
2.33
Rank in China
454th of 1843
Rank in Shandong
65th of 124

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
HezeNdolaSousse

In new street additions, Heze and Sousse both fluctuated in its street-construction patterns, while Ndola built increasingly disconnected streets over time. For the full network, Heze and Ndola both became progressively more disconnected, while Sousse fluctuated in connectivity. Notably, Heze had a more connected network than Sousse in 1975 but the two have since reversed their relative ranking.