Towed Caravans Prohibited Preformed Thermoplastic Road MarkingsOur No Towed Caravans preformed thermoplastic road marking is an ideal thermoplastic road marking for motorway service stations. Usually used in places where space may be tight or in areas where the ground is declining at a sharp rate, these signs clearly indicate the restricted use of caravans in that area. This marking can be used in combination with the post mounted caravans prohibited sign to offer more warnings to road users, minimising the