Huilai in context: Street-network sprawl trends

Huilai in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
HuilaiGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huilai plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Huilai's incremental SNDi rose from 3.4 to 4.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huilai ranked 91st out of 133 cities in Guangdong and 1432nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.21
Rank in China
1468th of 1843
Rank in Guangdong
84th of 133

Entire Network (Aggregate)

SNDi value
3.62
Rank in China
1432nd of 1843
Rank in Guangdong
91st of 133

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

What about similarly populated cities?

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
HuilaiHassanPucallpa

Huilai, Hassan, and Pucallpa all fluctuated in its street-construction patterns in new street construction. For the full network, Huilai and Hassan both fluctuated in connectivity, while Pucallpa became progressively more disconnected. Notably, Huilai had a more connected network than Hassan in 1975 but the two have since reversed their relative ranking.