Southend-on-Sea in context: Street-network sprawl trends
Southend-on-Sea in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Southend-on-Sea plotted against England and United Kingdom. The SNDi of new construction in Southend-on-Sea peaked in 1976-1990, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Southend-on-Sea's incremental SNDi fell from 5.36 to 4.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Southend-on-Sea ranked 59th out of 124 cities in England and 67th out of 143 in United Kingdom as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.89
- Rank in United Kingdom
- 101st of 143
- Rank in England
- 91st of 124
Entire Network (Aggregate)
- SNDi value
- 3.53
- Rank in United Kingdom
- 67th of 143
- Rank in England
- 59th 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, Southend-on-Sea and Caserta both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Rancagua built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Southend-on-Sea became progressively more disconnected, while Caserta grew more disconnected from 1975 through 1991-2005, then improved and Rancagua became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Southend-on-Sea and Rancagua have been converging in their street-network character since 1975.