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 proveFew 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, a