Rumble bars are surface mounted units that provide a visual warning to alert motorists of hazardous conditions ahead. They are designed and built to control traffic and increase the safety of the surrounding areas. As a speed moderator, they are manufactured to be very durable and they come in safety yellow so that they are highly visible. They are suitable for centre line, median, line marking, edge marking and line marking traffic islands in order to prevent damage from minor accidents. Our rumble bars have a glass Beading reflector available and can be installed both indoors and outdoors by being easily glued or screwed.