Truck driver George Armstrong, poses for a photograph in a layby along the A69 near Newton, northern England August 22, 2013. REUTERS/Stefan Wermuth (BRITAIN - Tags: FOOD SOCIETY TRANSPORT) 

A portable toilet is seen at a layby along the A303 near Stonehenge, southern England September 6, 2013. REUTERS/Stefan Wermuth (BRITAIN - Tags: FOOD SOCIETY TRANSPORT) 

A sign is seen by a fence in a layby along the A422 near Brackley, central England August 19, 2013. Snack vans can be found in lay-bys along main roads across Britain, offering motorists and other passers-by a cheap, independent alternative to conventional service stations. They can take the form of trailers, little vans, caravans or even converted buses, which tempt customers with hearty food including traditional "Full English" breakfasts, burgers and cups of tea. Picture taken August 19, 2013. REUTERS/Stefan Wermuth (BRITAIN - Tags: FOOD SOCIETY TRANSPORT TRAVEL)

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Swiss tourists take photographs next to a road that marks the England - Scotland border, at a lay-by on the A1 road near Berwick August 20, 2013. Signs of ancient conflict - from centuries-old fortifications to historic battlefields - score the landscape around the English-Scottish border. But many living in the region lead lives straddling both sides, and express practical concerns about the possibility of a more formal split between the two nations in the event of a yes vote in next year's referendum on Scottish independence, which will be held on September 18, 2014. Picture taken August 20, 2013. REUTERS/Toby Melville (BRITAIN - Tags: SOCIETY TRAVEL POLITICS)

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Kathleen Maltman serves a customer as she works at her snack van 'Welcome to The Borders' in a vehicle layby at the England - Scotland Border on the A1 road near Berwick August 21, 2013. Signs of ancient conflict - from centuries-old fortifications to historic battlefields - score the landscape around the English-Scottish border. But many living in the region lead lives straddling both sides, and express practical concerns about the possibility of a more formal split between the two nations in the event of a yes vote in next year's referendum on Scottish independence, which will be held on September 18, 2014. Picture taken August 21, 2013. REUTERS/Toby Melville (BRITAIN - Tags: SOCIETY TRAVEL POLITICS)

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Prime Minister John Major claps as he arrives at a roadside layby overlooking the Menai Bridge between the Welsh mainland and the island of Anglesey April 28. Major is travelling to all four countries of the United Kingdom today as part of his election tour.

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UNDATED FILE PHOTO - Picture of murdered French student Celine Figard who's body was found in a layby near Worcester December 29 1995. Stuart Morgan was found guilty of the murder of Miss Figard October 16 and was given life in prison.