Onomichi in context: Street-network sprawl trends
Onomichi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Onomichi plotted against Hiroshima and Japan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Onomichi's incremental SNDi rose from 4.24 to 4.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Onomichi ranked 4th out of 4 cities in Hiroshima and 135th out of 135 in Japan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.76
- Rank in Japan
- 131st of 135
- Rank in Hiroshima
- 3rd of 4
Entire Network (Aggregate)
- SNDi value
- 4.0
- Rank in Japan
- 135th of 135
- Rank in Hiroshima
- 4th of 4
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Wugang, China
- Rajgarh, India
- Catanduva, Brazil
- Bera, Bangladesh
- Resende, Brazil
- Bandipora, Jammu and Kashmir
In new street additions, Onomichi fluctuated in its street-construction patterns, while Wugang built increasingly disconnected streets from 1975 through 1991-2005, then improved and Bera built increasingly disconnected streets over time. For the full network, Onomichi and Bera both became progressively more disconnected, while Wugang grew more disconnected from 1975 through 1991-2005, then improved.