In March 2012 the Welsh Government launched a consultation on plans that could ease congestion on the M4 around Newport.
Speaking at the time, Transport Minister Carl Sargeant said the plans would aim to "improve efficiency and productivity and in turn make us more competitive."
The plans included improvements to public transport as well as road improvements including:
- M4 Relief Road south of Newport over the Gwent Levels
- Improve A48 Southern Distribution road
- Widening of M4, adding additional tunnel at Brynglas
The consultation ended in July 2012.
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