San Francisco in context: Street-network sprawl trends
San Francisco in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with San Francisco plotted against Córdoba and Argentina. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, San Francisco's incremental SNDi rose from 1.31 to 1.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Francisco ranked 1st out of 5 cities in Córdoba and 7th out of 77 in Argentina as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.55
- Rank in Argentina
- 20th of 77
- Rank in Córdoba
- 1st of 5
Entire Network (Aggregate)
- SNDi value
- 1.16
- Rank in Argentina
- 7th of 77
- Rank in Córdoba
- 1st of 5
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Funing, China
- La Línea de la Concepción, Spain
- Yako, Burkina Faso
- Myaungtagar, Myanmar
- Huamantla, México
- Peñon del Rodadero, Colombia
San Francisco, Funing, and Myaungtagar all fluctuated in its street-construction patterns in new street construction. For the full network, San Francisco and Myaungtagar both became progressively more disconnected, while Funing fluctuated in connectivity. San Francisco and Myaungtagar have been growing further apart in their street-network character since 1975.