George Osborne has told ITV News that there will be no tolls on any new M4 relief road around Newport.
But on a visit to Cardiff, the Chancellor said he hope to give the go ahead to a scheme that would improve the road within a couple of months.
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Showers in the north will spread southeastwards overnight. Temperatures will be higher so not as chilly as list night.
Chilly start to Tuesday, turning into a largely fine and dry day.
Political Editor Adrian Masters was joined in the studio by assembly members Bethan Jenkins, Mick Antoniw and Suzy Davies.