The guardrail cleaning machine is an innovative, compact engineering device designed specifically for efficiently cleaning road barriers in urban settings. With its advanced features, it boasts high cleaning efficiency, minimal labor intensity, and significantly reduced safety risks for workers compared to manual cleaning. Operating with either semi-autonomous or remote control modes, it can swiftly traverse at 20 meters per minute, matching the productivity of 8-10 sanitation workers. Its water-saving design promotes environmental sustainability, while its electric power ensures zero emissions. Equipped with dual high-speed rotating brushes, it ensures optimal cleaning results, adapting automatically to the contours of the guardrail. The machine's streamlined body allows for seamless integration into traffic flow, minimizing disruptions.