Lanxi in context: Street-network sprawl trends
Lanxi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lanxi plotted against Zhejiang and China. The SNDi of new construction in Lanxi peaked in 1976-1990, compared to Zhejiang which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Lanxi's incremental SNDi fell from 4.68 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lanxi ranked 97th out of 116 cities in Zhejiang as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.95
- Rank in Zhejiang
- 59th of 116
Entire Network (Aggregate)
- SNDi value
- 4.53
- Rank in Zhejiang
- 97th of 116
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Tehuacán, México
- Taloqan, Afghanistan
- Jiangdu District, China
- Lianjiang, China
- Taishan, China
- Cenxi, China
In new street additions, Lanxi built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Tehuacán built increasingly disconnected streets over time and Lianjiang fluctuated in its street-construction patterns. Looking at the full network, Tehuacán and Lianjiang both became progressively more disconnected, while Lanxi grew more disconnected from 1975 through 1976-1990, then improved. Lanxi and Lianjiang have been converging in their street-network character since 1975.