Polegate in context: Street-network sprawl trends

Polegate in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
PolegateEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Polegate plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Polegate's incremental SNDi fell from 6.38 to 6.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Polegate ranked 103rd out of 124 cities in England and 117th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
6.04
Rank in United Kingdom
136th of 143
Rank in England
118th of 124

Entire Network (Aggregate)

SNDi value
4.04
Rank in United Kingdom
117th of 143
Rank in England
103rd of 124

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
PolegateDakoroNanfeng

While Dakoro and Nanfeng both fluctuated in its street-construction patterns, Polegate built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Dakoro and Nanfeng both fluctuated in connectivity, while Polegate became progressively more disconnected. Polegate and Dakoro have been growing further apart in their street-network character since 1975.