Nottingham in context: Street-network sprawl trends

Nottingham in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
NottinghamEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nottingham plotted against England and United Kingdom. The SNDi of new construction in Nottingham rose steadily, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Nottingham's incremental SNDi rose from 4.89 to 5.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nottingham ranked 42nd out of 124 cities in England and 49th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
5.84
Rank in United Kingdom
128th of 143
Rank in England
111th of 124

Entire Network (Aggregate)

SNDi value
3.39
Rank in United Kingdom
49th of 143
Rank in England
42nd of 124

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
NottinghamLouhajangZhoukou

In new street additions, Nottingham built increasingly disconnected streets over time, while Louhajang fluctuated in its street-construction patterns and Zhoukou built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Nottingham became progressively more disconnected, while Louhajang fluctuated in connectivity and Zhoukou grew more disconnected from 1975 through 1991-2005, then improved.