Double yellow lines on some major roads have been turning red in a controversial move that’s been questioned by traders and residents alike. The change in the last week, which has often happened overnight, comes ahead of the introduction of tougher parking restrictions this month. The so-called red routes are being installed in five parts of the Medway Towns and drivers will be fined for stopping unnecessarily or parking in the new zones. The key differences are that loading and Blue Badge parking is permitted on double yellows – but not on double reds. Cameras will monitor each area and anyon…