Do new roads boost the economy? The science is still finding its way
There’s lots of traffic data to help policymakers make decisions about roads, but economic uplift is difficult to prove
Few drivers would consider leaving their house these days without a GPS device or traffic app to guide them. Time is money – and when assessing the benefit of investment in the UK road network, each minute saved can be converted into currency.
Keeping vehicles moving is a multi-billion-pound challenge. After identifying and ranking 20,375 traffic hotspots in the UK, analytics company Inrix puts the cost to drivers of time wasted in congestion at an estimated £61.8bn over 10 years.
Related: Do new roads benefit the economy? Here’s what we know | Henry Overman
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Source: Guardian Transport
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