Redditch in context: Street-network sprawl trends

Redditch in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Redditch plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Redditch's incremental SNDi fell from 4.08 to 3.53 between 1991-2005 and 2006-2020. In terms of the aggregate network, Redditch ranked 85th out of 124 cities in England and 96th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
3.53
Rank in United Kingdom
33rd of 143
Rank in England
29th of 124

Entire Network (Aggregate)

SNDi value
3.81
Rank in United Kingdom
96th of 143
Rank in England
85th of 124

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
RedditchBalkanabatPimpalgaon Basvant

In new street additions, Redditch built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Balkanabat fluctuated in its street-construction patterns and Pimpalgaon Basvant built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Redditch grew more disconnected from 1975 through 1991-2005, then improved, while Balkanabat became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Pimpalgaon Basvant became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.