Traffic – Low flying aircraft likely ahead triangle. Fig 558. 600mm on Class 2 reflective sign on composite back plate for post fixing. All of our traffic signs conform to The Traffic Signs Regulations and General Directions 2002 No. 3113 design layouts. If you require CE certified signs for use on a public highway please call our sales team for a quote. Please note that fixings are sold separately. Not exactly what you are looking for?