Bournemouth in context: Street-network sprawl trends

Bournemouth in context

33.544.55<19751976–19901991–20052006–2020SNDi of street additions
33.544.55<19751976–19901991–20052006–2020SNDi of entire street network
BournemouthEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bournemouth plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bournemouth's incremental SNDi fell from 4.63 to 3.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bournemouth ranked 29th out of 124 cities in England and 35th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
3.81
Rank in United Kingdom
56th of 143
Rank in England
50th of 124

Entire Network (Aggregate)

SNDi value
3.27
Rank in United Kingdom
35th of 143
Rank in England
29th of 124

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
BournemouthChuzhouMission Viejo

In new street additions, Bournemouth and Mission Viejo both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Chuzhou built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Bournemouth and Chuzhou have been converging in their street-network character since 1975.