Wanzhou in context: Street-network sprawl trends
Wanzhou in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wanzhou plotted against Chongqing and China. The SNDi of new construction in Wanzhou was at its lowest in 1991-2005, compared to Chongqing which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Wanzhou's incremental SNDi rose from 5.05 to 6.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wanzhou ranked 40th out of 47 cities in Chongqing and 1786th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 6.77
- Rank in China
- 1789th of 1843
- Rank in Chongqing
- 41st of 47
Entire Network (Aggregate)
- SNDi value
- 5.83
- Rank in China
- 1786th of 1843
- Rank in Chongqing
- 40th of 47
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Wanzhou built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Maroua built increasingly disconnected streets over time and Maringá fluctuated in its street-construction patterns. Looking at the full network, Maroua and Maringá both became progressively more disconnected, while Wanzhou became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.