All signs are manufactured in accordance with Chapter 8 of the Traffic Signs Manual Ireland, which outlines the standards in temporary traffic management in Ireland. All Chapter 8 roadworks signs are to be RA2 face material. The chapter specifies the requirements for the use of temporary traffic control measures, such as signs, barriers and cones, in roadworks and other temporary traffic management situations. Free Recovery: this sign should be used to indicate to road users that there is a free recovery service in operation within the works. The sign should be repeated at 500m intervals. The telephone number must be varied to suit.