Walton-on-Thames in context: Street-network sprawl trends

Walton-on-Thames in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
Walton-on-ThamesEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Walton-on-Thames plotted against England and United Kingdom. The SNDi of new construction in Walton-on-Thames peaked in 1976-1990, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Walton-on-Thames's incremental SNDi fell from 4.45 to 3.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Walton-on-Thames ranked 119th out of 124 cities in England and 135th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
3.72
Rank in United Kingdom
47th of 143
Rank in England
41st of 124

Entire Network (Aggregate)

SNDi value
4.43
Rank in United Kingdom
135th of 143
Rank in England
119th of 124

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Walton-on-ThamesSete LagoasAmbajogai

While Sete Lagoas and Ambajogai both built increasingly disconnected streets over time, Walton-on-Thames built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Sete Lagoas and Ambajogai both became progressively more disconnected, while Walton-on-Thames grew more disconnected from 1975 through 1991-2005, then improved.