Eastleigh in context: Street-network sprawl trends

Eastleigh in context

3.544.5<19751976–19901991–20052006–2020SNDi of street additions
3.544.5<19751976–19901991–20052006–2020SNDi of entire street network
EastleighEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Eastleigh plotted against England and United Kingdom. The SNDi of new construction in Eastleigh followed a zig-zag trend with an overall increase, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Eastleigh's incremental SNDi rose from 3.63 to 3.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Eastleigh ranked 57th out of 124 cities in England and 65th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
3.75
Rank in United Kingdom
49th of 143
Rank in England
43rd of 124

Entire Network (Aggregate)

SNDi value
3.52
Rank in United Kingdom
65th of 143
Rank in England
57th of 124

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
EastleighWarujayengCalais

While Warujayeng and Calais both built increasingly disconnected streets over time, Eastleigh fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Eastleigh and Warujayeng have been converging in their street-network character since 1975.