Luzhai in context: Street-network sprawl trends

Luzhai 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
LuzhaiGuangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luzhai plotted against Guangxi and China. The SNDi of new construction in Luzhai was at its lowest in 1991-2005, compared to Guangxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Luzhai's incremental SNDi rose from 2.05 to 2.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luzhai ranked 19th out of 63 cities in Guangxi and 791st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.36
Rank in China
428th of 1843
Rank in Guangxi
6th of 63

Entire Network (Aggregate)

SNDi value
2.74
Rank in China
791st of 1843
Rank in Guangxi
19th of 63

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LuzhaiUrgutThangadh

In new street additions, Luzhai built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Urgut fluctuated in its street-construction patterns and Thangadh built increasingly connected streets over time. For the full network, Luzhai and Thangadh both became progressively more connected, while Urgut fluctuated in connectivity. Luzhai and Urgut have been converging in their street-network character since 1975.