Taian in context: Street-network sprawl trends

Taian in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TaianLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Taian plotted against Liaoning and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Taian's incremental SNDi rose from 2.41 to 4.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Taian ranked 27th out of 61 cities in Liaoning and 633rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.12
Rank in China
1440th of 1843
Rank in Liaoning
47th of 61

Entire Network (Aggregate)

SNDi value
2.56
Rank in China
633rd of 1843
Rank in Liaoning
27th of 61

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
TaianUmeaTecate

In new street additions, Taian and Umeå both fluctuated in its street-construction patterns, while Tecate built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Taian and Umeå both became progressively more disconnected, while Tecate grew more disconnected from 1975 through 1991-2005, then improved. Taian and Umeå have been growing further apart in their street-network character since 1975.