Zhuhai [Macau] in context: Street-network sprawl trends

Zhuhai [Macau] in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
Zhuhai [Macau]Guangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhuhai [Macau] plotted against Guangdong and China. The SNDi of new construction in Zhuhai [Macau] rose steadily, compared to Guangdong which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Zhuhai [Macau]'s incremental SNDi rose from 2.84 to 3.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhuhai [Macau] ranked 41st out of 133 cities in Guangdong and 771st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.69
Rank in China
1247th of 1843
Rank in Guangdong
67th of 133

Entire Network (Aggregate)

SNDi value
2.72
Rank in China
771st of 1843
Rank in Guangdong
41st of 133

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
Zhuhai [Macau]MinskSeattle

While Minsk and Seattle both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Zhuhai [Macau] built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Zhuhai [Macau] and Minsk have been growing further apart in their street-network character since 1975.