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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Speaking as a Scot - not the ITV News Scotland Correspondent - I am feeling a great anxiety about what lies ahead.
For many of us it has felt more like late summer than earlier autumn. But expect some misty, low cloud hit eastern counties tonight.
ITV Border's Political Editor Peter MacMahon on whether or not Scots have decided to end more than three centuries of history.