Changshou in context: Street-network sprawl trends

Changshou in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
ChangshouChongqing (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changshou plotted against Chongqing and China. The SNDi of new construction in Changshou fell steadily, 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, Changshou's incremental SNDi fell from 2.64 to 2.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changshou ranked 14th out of 47 cities in Chongqing and 872nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.6
Rank in China
588th of 1843
Rank in Chongqing
11th of 47

Entire Network (Aggregate)

SNDi value
2.82
Rank in China
872nd of 1843
Rank in Chongqing
14th of 47

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
ChangshouShahganjShulan

In new street additions, Changshou built increasingly connected streets over time, while Shahganj built increasingly disconnected streets from 1975 through 1991-2005, then improved and Shulan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Changshou became progressively more connected, while Shahganj became progressively more disconnected and Shulan grew more disconnected from 1975 through 1991-2005, then improved. Notably, Changshou had a more sprawly network than Shahganj in 1975 but the two have since reversed their relative ranking.