Baiyun in context: Street-network sprawl trends
Baiyun in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Baiyun plotted against Hunan and China. The SNDi of new construction in Baiyun followed a zig-zag trend, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Baiyun's incremental SNDi rose from 1.63 to 6.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Baiyun ranked 41st out of 89 cities in Hunan and 860th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 6.57
- Rank in China
- 1773rd of 1843
- Rank in Hunan
- 89th of 89
Entire Network (Aggregate)
- SNDi value
- 2.8
- Rank in China
- 860th of 1843
- Rank in Hunan
- 41st of 89
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Ozamiz, Philippines
- Argungu, Nigeria
- Adwa, Ethiopia
- Koidu Town, Sierra Leone
- Balaghat, India
- Gangneung, South Korea
In new street additions, Baiyun fluctuated in its street-construction patterns, while Ozamiz built increasingly disconnected streets from 1975 through 1991-2005, then improved and Koidu Town built increasingly disconnected streets over time. Looking at the full network, Ozamiz and Koidu Town both became progressively more disconnected, while Baiyun fluctuated in connectivity. Baiyun and Ozamiz have been growing further apart in their street-network character since 1975.