1. Install in strict accordance with the construction drawings, and make sure to operate according to the design requirements.

2. Before installation, deal with the foundation of the signboard to ensure that the foundation is firm and meets the specified height requirements.

3. When installing the signboard supporting structure, it should be fixed to ensure its stability and firmness.

4. When installing signs, pay attention to adjust the distance, height and angle to ensure that it meets the requirements of road use.

5. After the installation is completed, check and adjust the verticality and height of the sign board to ensure compliance with the specified requirements.

6. Clean all the signs and keep the layout neat, so as to improve readability and aesthetics.