Puqian in context: Street-network sprawl trends
Puqian in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Puqian plotted against Guangdong and China. The SNDi of new construction in Puqian peaked in 1976-1990, 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, Puqian's incremental SNDi fell from 3.87 to 3.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Puqian ranked 87th out of 133 cities in Guangdong and 1398th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.52
- Rank in China
- 1162nd of 1843
- Rank in Guangdong
- 56th of 133
Entire Network (Aggregate)
- SNDi value
- 3.56
- Rank in China
- 1398th of 1843
- Rank in Guangdong
- 87th of 133
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
While Lianping and Patharhat both fluctuated in its street-construction patterns, Puqian built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Lianping and Patharhat both fluctuated in connectivity, while Puqian grew more disconnected from 1975 through 1991-2005, then improved. Notably, Puqian had a more connected network than Lianping in 1975 but the two have since reversed their relative ranking.