What are the standards for highway guardrail

Highway guardrail is set up to protect the safety of vehicles and pedestrians. The following are the standards for highway guardrail:

1. Guardrail height: The height of highway guardrail should not be less than 70cm to ensure the safety of vehicles.

2. Guardrail columns: Guardrail columns should be sturdy and reliable, with a diameter of no less than 130mm, a spacing of no more than 4m, and a buried depth of no less than 60cm under the columns.

3. Guardrail board: The guardrail guardrail should be solid and durable, with a thickness of no less than 3.0mm, a width of no less than 310mm, and a length of no less than 4320mm.

4. Guardrail connectors: Guardrail connectors should be sturdy and reliable, and unqualified connectors should not be used to ensure the firmness and stability of the guardrail.

5. Guardrail color: The color of highway guardrail should be eye-catching yellow or white, so that drivers can easily recognize and be vigilant during driving.

In short, highway guardrail is one of the important facilities to ensure driving safety, and should be designed and installed in accordance with standard requirements to ensure their firmness, stability, durability, and safety.