Context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Derry/Londonderry (most disconnected)Aberdeen (most connected)

The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in United Kingdom, for both new street additions (left) and the aggregate street network (right).

United Kingdom in context: Street-network sprawl of new development

The level of street-network sprawl in new development in United Kingdom peaked in 1991-2005. To get a sense of how street development has changed in United Kingdom, we can consider three of its most populous regions: England, Scotland and Wales. Disconnectivity in the most populous cities in United Kingdom follow the same country trend.

The largest city in United Kingdom is London, with a population of 9278800 people. Taking into account the entire (i.e. aggregate) street network in London as of 2020, the overall level of street-network sprawl is 3.08, which is moderately connected. The level of street-network sprawl in new development in London peaked in 1991-2005.

United Kingdom in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in United Kingdom is Derry/Londonderry with an SNDi of 5.38, which is very sprawly. Conversely, the most connected city is Aberdeen with an SNDi of 2.63, which is relatively well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Aberdeen, Derry/Londonderry.

The level of street-network sprawl in the aggregate network in United Kingdom rose steadily. To get a sense of how the aggregate street network has changed in United Kingdom, we can consider three of its most populous regions: England, Scotland and Wales. Disconnectivity in the most populous cities in United Kingdom follow the same country trend.

The largest city in United Kingdom is London, with a population of 9278800 people. Taking into account the entire (i.e. aggregate) street network in London as of 2020, the overall level of street-network sprawl is 3.08, which is moderately connected. The level of street-network sprawl in the aggregate network in London rose steadily.