Hequ in context: Street-network sprawl trends

Hequ in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
HequShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hequ plotted against Shanxi and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Hequ's incremental SNDi rose from 3.03 to 4.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hequ ranked 68th out of 80 cities in Shanxi and 1519th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.64
Rank in China
1564th of 1843
Rank in Shanxi
68th of 80

Entire Network (Aggregate)

SNDi value
3.88
Rank in China
1519th of 1843
Rank in Shanxi
68th of 80

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

What about similarly populated cities?

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
HequDerry/LondonderryKuala Simpang

In new street additions, Hequ fluctuated in its street-construction patterns, while Derry/Londonderry built increasingly disconnected streets from 1975 through 1991-2005, then improved and Kuala Simpang built increasingly disconnected streets over time. Looking at the full network, Derry/Londonderry and Kuala Simpang both became progressively more disconnected, while Hequ fluctuated in connectivity. Hequ and Kuala Simpang have been converging in their street-network character since 1975.