Cone's colors are red, yellow, blue, red, mainly used in isolation warning outdoor transportation, urban intersection lane, outdoor parking, sidewalks, between buildings. Yellow mainly used in poorly lit indoor parking places. Blue is used in some special occasions, metaphor used in Japanese airfields. Europe road vertebral plus fluorescence makes more obvious warning. Cone has not posted stickers reflective material and reflective material. Vertebral normal road use are posted highly reflective material. European Road Cone Cone using blow pe hardware, and the American road cone using software pvc road cone. Road cone materials, height, color, reflective materials decided to use the occasion: 90CM and 70CM vertebral road should be used in highway maintenance and repair of road vertebral 70CM should be used in urban road intersection; road maintenance and repair of various colors of vertebral 70CM ~ 45CM should be used in schools and major hotel entrance fluorescent red road vehicles should be used vertebral 45CM 45CM vertebral yellow road should be used in the underground car park (indoor parking) 45 ~ 30CM blue path in a large surface parking (outdoor parking) vertebra should be used in schools and other public sports venues