Tracy in context: Street-network sprawl trends
Tracy in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tracy plotted against California and United States. While California and United States both peaked in 1991-2005, Tracy's new street additions peaked in 1991-2005. Most recently, Tracy's incremental SNDi fell from 4.89 to 4.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tracy ranked 45th out of 60 cities in California and 272nd out of 333 in United States as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.57
- Rank in United States
- 217th of 333
- Rank in California
- 46th of 60
Entire Network (Aggregate)
- SNDi value
- 4.24
- Rank in United States
- 272nd of 333
- Rank in California
- 45th of 60
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Jena, Germany
- Al Manshiyah al Qibliyah, Egypt
- Sake, Democratic Republic of the Congo
- Le Mée-sur-Seine, France
- Murbad, India
- Periyakulam, India
In new street additions, Tracy and Le Mée-sur-Seine both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Jena built increasingly disconnected streets over time. For the full network, Tracy and Jena both became progressively more disconnected, while Le Mée-sur-Seine grew more disconnected from 1975 through 1991-2005, then improved. Tracy and Jena have been growing further apart in their street-network character since 1975.