Wutai in context: Street-network sprawl trends

Wutai in context

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
WutaiShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wutai plotted against Shanxi and China. The SNDi of new construction in Wutai followed a zig-zag trend with an overall decrease, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Wutai's incremental SNDi fell from 3.81 to 3.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wutai ranked 60th out of 80 cities in Shanxi and 1389th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.44
Rank in China
1123rd of 1843
Rank in Shanxi
55th of 80

Entire Network (Aggregate)

SNDi value
3.53
Rank in China
1389th of 1843
Rank in Shanxi
60th of 80

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

What about similarly populated cities?

22.533.54<19751976–19901991–20052006–2020SNDi of street additions
22.533.54<19751976–19901991–20052006–2020SNDi of entire street network
WutaiUbaVigevano

In new street additions, Wutai fluctuated in its street-construction patterns, while Uba fluctuated in its street-construction patterns and Vigevano built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Wutai fluctuated in connectivity, while Uba fluctuated in connectivity and Vigevano grew more disconnected from 1975 through 1991-2005, then improved. Wutai and Uba have been converging in their street-network character since 1975.