Qujiang in context: Street-network sprawl trends

Qujiang 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
QujiangGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qujiang plotted against Guangdong and China. The SNDi of new construction in Qujiang 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, Qujiang's incremental SNDi rose from 2.76 to 3.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qujiang ranked 58th out of 133 cities in Guangdong and 1071st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.14
Rank in China
969th of 1843
Rank in Guangdong
40th of 133

Entire Network (Aggregate)

SNDi value
3.05
Rank in China
1071st of 1843
Rank in Guangdong
58th of 133

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
QujiangPanshiTuxpam

In new street additions, Qujiang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Panshi built increasingly disconnected streets from 1975 through 1991-2005, then improved and Túxpam fluctuated in its street-construction patterns. For the full network, Qujiang became progressively more connected, while Panshi grew more disconnected from 1975 through 1991-2005, then improved and Túxpam became progressively more disconnected. Notably, Qujiang had a more sprawly network than Túxpam in 1975 but the two have since reversed their relative ranking.