Guang'an in context: Street-network sprawl trends

Guang'an in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Guang'anSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guang'an plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Guang'an's incremental SNDi rose from 1.92 to 3.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guang'an ranked 22nd out of 98 cities in Sichuan and 561st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.06
Rank in China
927th of 1843
Rank in Sichuan
47th of 98

Entire Network (Aggregate)

SNDi value
2.47
Rank in China
561st of 1843
Rank in Sichuan
22nd of 98

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

What about similarly populated cities?

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
Guang'anYongkangVitsebsk

In new street additions, Guang'an and Yongkang both fluctuated in its street-construction patterns, while Vitsebsk built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Guang'an fluctuated in connectivity, while Yongkang became progressively more disconnected and Vitsebsk grew more disconnected from 1975 through 1991-2005, then improved. Notably, Guang'an had a more connected network than Vitsebsk in 1975 but the two have since reversed their relative ranking.