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Story summary
- Welsh Government launched an 18-month study of road solutions for M4 congestion around Newport.
- Deputy Transport Minister Mark Hooper said the review may close Junction 27 and restrict Junctions 26 and 25.
- The £14 million option could cut M4 traffic by about three percent.
- ARUP warned the plan may face low public acceptance and cost shifts.
- Brynglas Tunnel widening could take about 12 years.