Traffic – CAUTION SPEED RAMPS sign. Available in 22swg aluminium, rigid plastic and reflective 75 series (post fix/wall fix). 75 series have class 1 engineering grade reflective faces and are applied to a heavy duty composite back plate for post fixing and 22swg aluminium for wall fixing. This gives the option of either post or wall fixing. Please specify when ordering. If you require CE certified signs for use on a public highway please call our sales team for a quote. Not exactly what you are looking for?