Airport drivers try to beat drop-off charges by parking in laybys

James DelaneyBBC Scotland NewsBBCCaroline O'Brien parked in a lay-by near the main terminal building to avoid paying the drop-off chargeIt's a hot and sticky Friday in the middle of the summer holidays and cars are flooding onto Edinburgh Airport's approach road.There are few places to stop, but in almost every lay-by a steady stream of drivers await friends and loved ones touching down from their holidays.They…