Suburban gardens should be ripped up and paved over to stop the explosion in traffic, experts recommend.
Low-density housing increases congestion by making people more reliant on their cars, say the Government-funded academics, who reckon the suburbs need higher densities.
Professor Marcial Echenique, an urban studies expert at Cambridge University, said grubbing up large suburban gardens could help ease traffic.
“They made very large gardens in the 1930s and it is possible to subdivide the plots with alleys and paths and introduce denser development.
“If you increase the density of people living together then you can improve public transport.”
Over three quarters of the population live in the suburbs and within 20 years two million more are expected to move there.
Architects and researchers have been awarded £1.8 million to design prototype high-density suburbs that encourage people to walk, cycle or take the bus to work rather than use their cars.
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