Wales' Transport Minister, Carl Sargeant, told us the Heads of the Valleys road is vital for people to access jobs, and for the economy to function properly.
The Deputy Minister for European Programmes, Alun Davies, said it is 'fundamental' infrastructure, which 'enables us to compete on the Welsh, UK, European and world stage.'
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A group of ex-servicemen have become the first people to climb Pen y Fan in the Brecon Beacons for 24 hours non-stop.
Thousands of athletes are in Tenby for the competition which consists of a two mile swim, a 112 mile cycle ride and a marathon.