Ellesmere Port in context: Street-network sprawl trends

Ellesmere Port 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
Ellesmere PortEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ellesmere Port plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ellesmere Port's incremental SNDi fell from 6.26 to 5.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ellesmere Port ranked 107th out of 124 cities in England and 121st out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
5.2
Rank in United Kingdom
108th of 143
Rank in England
97th of 124

Entire Network (Aggregate)

SNDi value
4.15
Rank in United Kingdom
121st of 143
Rank in England
107th 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
Ellesmere PortBinh LongZuoquan

In new street additions, Ellesmere Port built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Binh Long fluctuated in its street-construction patterns and Zuoquan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Ellesmere Port became progressively more disconnected, while Binh Long fluctuated in connectivity and Zuoquan grew more disconnected from 1975 through 1991-2005, then improved. Ellesmere Port and Binh Long have been converging in their street-network character since 1975.