Lufeng in context: Street-network sprawl trends

Lufeng in context

33.544.55<19751976–19901991–20052006–2020SNDi of street additions
33.544.55<19751976–19901991–20052006–2020SNDi of entire street network
LufengGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lufeng plotted against Guangdong and China. The SNDi of new construction in Lufeng was at its lowest in 1991-2005, 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, Lufeng's incremental SNDi rose from 3.06 to 3.08 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lufeng ranked 73rd out of 133 cities in Guangdong as of 2020.

New Street Additions (2006–2020)

SNDi value
3.08
Rank in Guangdong
38th of 133

Entire Network (Aggregate)

SNDi value
3.32
Rank in Guangdong
73rd of 133

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
LufengBankuraCap-Haitien

In new street additions, Lufeng built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Bankura fluctuated in its street-construction patterns and Cap-Haitien built increasingly disconnected streets over time. Looking at the full network, Bankura and Cap-Haitien both became progressively more disconnected, while Lufeng became progressively more connected. Notably, Lufeng had a more sprawly network than Bankura in 1975 but the two have since reversed their relative ranking.