Chi'an in context: Street-network sprawl trends
Chi'an in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chi'an plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Chi'an's new street additions followed a zig-zag trend with an overall increase. Most recently, Chi'an's incremental SNDi rose from 1.61 to 2.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chi'an ranked 12th out of 82 cities in Jiangxi and 306th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.26
- Rank in China
- 371st of 1843
- Rank in Jiangxi
- 18th of 82
Entire Network (Aggregate)
- SNDi value
- 2.14
- Rank in China
- 306th of 1843
- Rank in Jiangxi
- 12th of 82
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Chi'an fluctuated in its street-construction patterns, while Huelva built increasingly disconnected streets from 1975 through 1976-1990, then improved and Yumurtalık built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Chi'an fluctuated in connectivity, while Huelva grew more disconnected from 1975 through 1976-1990, then improved and Yumurtalık became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.