Zhengdian in context: Street-network sprawl trends
Zhengdian in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhengdian plotted against Hubei and China. While Hubei and China both followed a zig-zag trend with an overall increase, Zhengdian's new street additions followed a zig-zag trend with an overall increase. Most recently, Zhengdian's incremental SNDi rose from 4.02 to 4.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhengdian ranked 71st out of 77 cities in Hubei and 1580th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.35
- Rank in China
- 1497th of 1843
- Rank in Hubei
- 70th of 77
Entire Network (Aggregate)
- SNDi value
- 4.13
- Rank in China
- 1580th of 1843
- Rank in Hubei
- 71st of 77
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Jincheng Town, China
- Pandeglang, Indonesia
- Basirhat, India
- Vladimir, Russia
- Dali, China
- Vinh Long, Vietnam
In new street additions, Zhengdian fluctuated in its street-construction patterns, while Jincheng Town built increasingly disconnected streets from 1975 through 1976-1990, then improved and Vladimir built increasingly disconnected streets over time. For the full network, Zhengdian fluctuated in connectivity, while Jincheng Town grew more disconnected from 1975 through 1976-1990, then improved and Vladimir became progressively more disconnected. Zhengdian and Jincheng Town have been growing further apart in their street-network character since 1975.