Municipal bridge railings, also known as bridge guardrails, are an important component of bridges. Bridge guardrails not only improve the aesthetics and brightness of bridges, but also play a good role in warning, blocking, and preventing traffic accidents. The main functions of bridge guardrails include the following: separation function of bridge guardrails: bridges can separate vehicles, non motorized vehicles, and pedestrian vehicles through bridge guardrails. The road is longitudinally separated in cross-section to drive motor vehicles, non motor vehicles, and pedestrians, improving road traffic safety. Traffic order has improved.

The barrier function of bridge guardrails: Bridges can block bad traffic behavior and prevent pedestrians, bicycles, or motor vehicles from crossing the road through bridge guardrails. It requires a certain height of bridge guardrail, a certain density refers to vertical columns, but also has a certain strength.

The warning function of bridge guardrails: By installing bridge guardrails, the outline of the bridge guardrails is simplified and fast, warning drivers to pay attention to the existence of guardrails, pedestrians and non motorized vehicles, and preventing traffic accidents.

Beautification function of bridge guardrails: Through different materials, forms, shapes, and colors of bridge barriers, coordination and harmony with the road environment are achieved, and the role of beautifying bridges and the environment is played.