The UK’s underused M6 toll road could be opened free to drivers stuck in congested traffic on the M6, it has been revealed. Toll road operators Midland Expressway have reportedly offered to clear the path to help relieve traffic jams on the M6 if the Government releases it from its commitment to part-finance the M54 link road. The company, a subsidiary of Australian company Macquarie Atlas Roads, has debts of £1.03 billion, which mature in 2015, and as part of its 50-year concession agreement would have to