Jihongtan in context: Street-network sprawl trends
Jihongtan in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jihongtan plotted against Shandong and China. The SNDi of new construction in Jihongtan peaked in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jihongtan's incremental SNDi fell from 4.58 to 4.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jihongtan ranked 121st out of 124 cities in Shandong and 1678th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.36
- Rank in China
- 1500th of 1843
- Rank in Shandong
- 116th of 124
Entire Network (Aggregate)
- SNDi value
- 4.63
- Rank in China
- 1678th of 1843
- Rank in Shandong
- 121st of 124
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Jihongtan built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Gaoyi fluctuated in its street-construction patterns and Dherai built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Jihongtan grew more disconnected from 1975 through 1976-1990, then improved, while Gaoyi became progressively more disconnected and Dherai became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.