Zigui in context: Street-network sprawl trends
Zigui in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zigui plotted against Hubei and China. The SNDi of new construction in Zigui followed a zig-zag trend with an overall decrease, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Zigui's incremental SNDi fell from 5.41 to 5.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zigui ranked 76th out of 77 cities in Hubei and 1781st out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.24
- Rank in China
- 1668th of 1843
- Rank in Hubei
- 76th of 77
Entire Network (Aggregate)
- SNDi value
- 5.73
- Rank in China
- 1781st of 1843
- Rank in Hubei
- 76th of 77
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Kanchanaburi, Thailand
- Ramos Arizpe, México
- Lingpu, China
- Tiko, Cameroon
- Tanay, Philippines
- Salon, India
While Kanchanaburi and Tiko both fluctuated in its street-construction patterns, Zigui fluctuated in its street-construction patterns in new street additions. Looking at the full network, Kanchanaburi and Tiko both became progressively more disconnected, while Zigui fluctuated in connectivity. Zigui and Kanchanaburi have been converging in their street-network character since 1975.