Tengzhou in context: Street-network sprawl trends

Tengzhou in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tengzhou plotted against Shandong and China. The SNDi of new construction in Tengzhou peaked in 1991-2005, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Tengzhou's incremental SNDi fell from 5.34 to 2.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tengzhou ranked 108th out of 124 cities in Shandong and 1362nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.94
Rank in China
846th of 1843
Rank in Shandong
82nd of 124

Entire Network (Aggregate)

SNDi value
3.49
Rank in China
1362nd of 1843
Rank in Shandong
108th of 124

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
TengzhouMirzapurRajshahi

In new street additions, Tengzhou built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mirzapur built increasingly disconnected streets from 1975 through 1976-1990, then improved and Rajshahi fluctuated in its street-construction patterns. For the full network, Tengzhou grew more disconnected from 1975 through 1991-2005, then improved, while Mirzapur became progressively more disconnected and Rajshahi fluctuated in connectivity. Tengzhou and Rajshahi have been converging in their street-network character since 1975.