'France is braced for motorway gridlock on Monday when all major haulage unions will unite for the first time in nationwide go-slows. In what they term their "operation escargot", French truckers are urging motorists to join them at a snail's pace to paralyse traffic on ring roads and city centres. Hauliers want to force the government to lower fuel prices and tax, and harmonise the cost of diesel and petrol across Europe.'