Tingjiang in context: Street-network sprawl trends

Tingjiang in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
TingjiangFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tingjiang plotted against Fujian and China. While Fujian and China both followed a zig-zag trend with an overall increase, Tingjiang's new street additions followed a zig-zag trend with an overall increase. Most recently, Tingjiang's incremental SNDi rose from 4.84 to 5.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tingjiang ranked 67th out of 75 cities in Fujian and 1754th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.85
Rank in China
1730th of 1843
Rank in Fujian
63rd of 75

Entire Network (Aggregate)

SNDi value
5.35
Rank in China
1754th of 1843
Rank in Fujian
67th of 75

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
TingjiangTeziutlanBabahoyo

In new street additions, Tingjiang and Babahoyo both fluctuated in its street-construction patterns, while Teziutlán built increasingly disconnected streets over time. For the full network, Tingjiang and Babahoyo both fluctuated in connectivity, while Teziutlán became progressively more disconnected. Tingjiang and Teziutlán have been converging in their street-network character since 1975.