High Wycombe in context: Street-network sprawl trends

High Wycombe in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
High WycombeEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with High Wycombe plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, High Wycombe's incremental SNDi fell from 5.1 to 4.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, High Wycombe ranked 77th out of 124 cities in England and 86th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
4.41
Rank in United Kingdom
87th of 143
Rank in England
79th of 124

Entire Network (Aggregate)

SNDi value
3.71
Rank in United Kingdom
86th of 143
Rank in England
77th of 124

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

What about similarly populated cities?

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
High WycombeBidhunaAl Hai

In new street additions, High Wycombe built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Bidhuna built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Al Hai built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, High Wycombe and Bidhuna both became progressively more disconnected, while Al Hai became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. High Wycombe and Bidhuna have been converging in their street-network character since 1975.