It will become the second toll road in Britain - following the M6 in Staffordshire - and will run between junctions 23 and 29 of the M4 to relieve congestion on the outskirts of Newport.
The newspaper reports that the Chancellor will agree to guarantee loans for the building of the M4 relief road, but the devolved Welsh government will meet the cost - expected to be around £830 million.
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Wales Women overcame a plucky Scotland side to record a 23-10 victory at the Gnoll.
It will be a cold night, with clear skies for most, which will allow a widespread and sharp frost to develop
Catch up with this week's episode of Newsweek Wales.