When the TPU Warning Pillar is used to separate the lane, it not only functions as a steel guardrail to separate the lane but also does no damage to the vehicles, at the same time, it could save the cost of steel guardrail¡¯s antirust, brush paint and vehicles¡¯ breaking repair. Its night guiding vision is stronger. United body makes the product even lasting and durable. The product conforms to the 3W2001 - 4 standards.