1982年10月奉派前往柏林参加铁组召开的桥梁检验方法专家会议。会议期间,我们参观了德国的公路和桥梁。德国的公路分为等级公路:1.高速公路2.远程公路(国道)3.行政区公路(省道);非等级公路:1.县公路2.城镇公路3.厂矿、农林专用公路。德国的等级公路网在战前即开始兴建,而且大多采用水泥混凝土路面。他们对于老路利用是很充分的。柏林～波茨坦为四车道,柏林～ In 1982 October sent to Berlin to attend the group held in the inspection group of bridge experts meeting. During the meeting, we visited the German roads and bridges. Germany’s roads are divided into grade roads: 1. Expressway 2. Long-distance highway (State Road) 3. Administrative highway (provincial highway); Non-grade highway: 1. County highway 2. Town and highway 3. Factories, agricultural and forestry roads. German grade road networks began construction just prior to the war, and mostly cement concrete pavements. They are full use of the old road. Berlin ~ Potsdam for four lanes, Berlin ~