Brighton in context: Street-network sprawl trends
Brighton in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Brighton plotted against England and United Kingdom. The SNDi of new construction in Brighton rose steadily, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Brighton's incremental SNDi rose from 4.25 to 4.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Brighton ranked 9th out of 124 cities in England and 11th out of 143 in United Kingdom as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.44
- Rank in United Kingdom
- 90th of 143
- Rank in England
- 81st of 124
Entire Network (Aggregate)
- SNDi value
- 2.92
- Rank in United Kingdom
- 11th of 143
- Rank in England
- 9th of 124
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Brighton and Mariupol both built increasingly disconnected streets over time, while Cuenca built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Brighton and Mariupol both became progressively more disconnected, while Cuenca became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.