To change the image of the construction work by easily and promptly arranging the pots of living flowers on the boundaries of the traffic control lines in addition to the circumference of the construction office, because the appeal of image change of conventional construction site to the inhabitants in the neighboring region has not been satisfactory although the flower pots of artificial flowers are arranged around the periphery of the construction approval board, the construction guide and the construction work office.

The flower pots 3 for living flowers are fixed between the commercially available single pipe 5 and the single pipe barricade by using metallic wire fixtures 1 and rubber bands whereby the image of construction work site is improved, as they function as they work as safety equipment, because the weight of the barricades can be readily and promptly set up and removed.