Weichang in context: Street-network sprawl trends
Weichang in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Weichang plotted against Hebei and China. The SNDi of new construction in Weichang peaked in 1991-2005, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Weichang's incremental SNDi fell from 4.16 to 4.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Weichang ranked 96th out of 120 cities in Hebei and 1395th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.15
- Rank in China
- 1453rd of 1843
- Rank in Hebei
- 97th of 120
Entire Network (Aggregate)
- SNDi value
- 3.55
- Rank in China
- 1395th of 1843
- Rank in Hebei
- 96th of 120
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Weichang and Noorpur both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Birnin Gwari built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Weichang became progressively more disconnected, while Birnin Gwari became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Noorpur grew more disconnected from 1975 through 1991-2005, then improved.