Cycling Prohibited Preformed Thermoplastic Road MarkingThe No cycling or ' Cycling prohibited' preformed thermoplastic road marking sign is perfect for where cycling is unsafe. The marking would commonly be used on UK roads where cyclists have alternative routes, or where it may be dangerous for them, such as industrial estates, steep hills, and motorways. Typically used in combination with the post mounted cycling prohibited signs, the markings offer a second chance to tell cyclists where they are not