Context
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.
How do development practices in United Kingdom fare in comparison to others in the world? Most recently in 2006-2020, street construction in United Kingdom was the 93rd-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, street construction in United Kingdom has become more disconnected. United Kingdom ranked 118th in 1975, 111th in 1976-1990, 133rd in 1991-2005 and 93rd in 2006-2020.
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.
To date, United Kingdom is the 100th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, the street network in United Kingdom has become more disconnected. United Kingdom ranked 118th in 1975, 105th in 1976-1990, 106th in 1991-2005 and 100th in 2006-2020.
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.