A total of six police forces have joined together to target motoring criminals on the southern Scotland and northern England border.
As well as searching vehicles, other supporting agencies, such as the Benefits Agency and the Motor Insurance Bureau, will help identify people responsible for other crimes like metal theft and drug trafficking.
"The majority of motorists who utilise the road network between Scotland and England need not worry themselves with our presence over the next couple of days.
"However, a small number of people use these arterial routes to commit crimes North and South of the border and all the police forces are working closely together to bring these individuals to justice.
"As well as deterring and detecting crime, police will use this opportunity to gather intelligence on criminals who regularly move between both countries."
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