This map shows the section of the M4 that is frequently congested, and that would be bypassed if plans for a 14-mile relief road went ahead.
The Welsh government has long pushed for a relief road in this area. Plans were shelved in 2009 after the projected cost of the project rose to £1 billion.
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French mayors have been told they must not ban the 'Burkini' in their towns as a court ruling suspends the ban.
The audit aims to show how people's backgrounds can affect their health, education and employment.