市政护栏是公路中间的防护栏,防止行人、车辆不守交通规则, Municipal guardrail is a protective fence in the middle of the road to prevent pedestrians and vehicles from not complying with traffic rules. 随便穿越公路而设置的,为行人和车辆带来的生命安全和财产保障。 The life safety and property protection for pedestrians and vehicles that are set up casually crossing the highway.