Huadu in context: Street-network sprawl trends

Huadu 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
HuaduGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huadu plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Huadu's incremental SNDi rose from 2.9 to 3.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huadu ranked 63rd out of 133 cities in Guangdong and 1121st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.67
Rank in China
1232nd of 1843
Rank in Guangdong
65th of 133

Entire Network (Aggregate)

SNDi value
3.12
Rank in China
1121st of 1843
Rank in Guangdong
63rd of 133

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
HuaduHardoiCuiaba

In new street additions, Huadu and Cuiabá both fluctuated in its street-construction patterns, while Hardoi built increasingly disconnected streets over time. Looking at the full network, Hardoi and Cuiabá both became progressively more disconnected, while Huadu fluctuated in connectivity. Huadu and Hardoi have been growing further apart in their street-network character since 1975.