The Metro Consortium, which includes Admiral insurance, British Gas and Cardiff Business School, says the transport system is an opportunity to rethink the role of towns and communities across the Valleys.
The report's author, Mark Barry, said the metro would simply connect connect the region, and "give the region the opportunity to be more economically effective."
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Runners looking to compete in the Newport half marathon have been disappointed again after it was cancelled due to weather warnings.
Very cold and windy. Some sunny breaks but plenty of snow showers feeding in the from the east.