Three-rod-in-one structure in expressway urbanization transformation

The utility model discloses a three-rod-in-one structure in expressway urbanization transformation. Street lamp post, a traffic sign plate, a corrugated beam guardrail and a concrete foundation are sequentially arranged on the street lamp pole from top to bottom, the traffic sign plate is fixed to the street lamp pole through connecting bolts, the corrugated beam guardrail is fixed to the street lamp pole through splicing bolts, and the street lamp pole is fixed to the concrete foundation through galvanized nuts and galvanized washers. According to the utility model, the street lamp post, thetraffic sign upright post and the guardrail upright post are combined into one upright post which is arranged at the position of a part of upright posts in the original roadside guardrail, so that thepurposes of minimizing the land use range and saving the cost in the transformation process are achieved. 本实用新型公开了一种高速公路城市化改造中的三杆合一结构，包括路灯灯杆，所述路灯灯杆自上而下依次设置有交通标志板、波形梁护栏和混凝土基础，所述交通标志板通过连接螺栓固定在路灯灯杆上，所述波形梁护栏通过拼接螺栓固定在路灯灯杆上，所述路灯灯杆通