Linhai in context: Street-network sprawl trends

Linhai in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LinhaiZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Linhai plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Linhai's incremental SNDi rose from 2.22 to 3.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Linhai ranked 52nd out of 116 cities in Zhejiang and 763rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.99
Rank in China
1396th of 1843
Rank in Zhejiang
89th of 116

Entire Network (Aggregate)

SNDi value
2.71
Rank in China
763rd of 1843
Rank in Zhejiang
52nd of 116

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LinhaiGrenobleAurora

In new street additions, Linhai and Grenoble both fluctuated in its street-construction patterns, while Aurora built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Grenoble and Aurora both became progressively more disconnected, while Linhai fluctuated in connectivity. Notably, Linhai had a more connected network than Grenoble in 1975 but the two have since reversed their relative ranking.