高速公路连接日本列岛。新技术正在使高速公路发生司机不易感觉到的变化。其一是路面。为减少路面的雨水,目前越来越多地采用一种新式铺装法。另一个是遮音壁,为减少噪音,开始出现独特的设计。 1、吸收雨水的路面间隙 东京都盯田市有一家日本道路公团试验所,其展厅内陈列着铺装道路的样品。向样品路面上泼水,一般路 The highway connects the Japanese archipelago. New technologies are making the change that the driver is not easy to feel on the highway. One is the pavement. To reduce the rain on the road, more and more a new type of paving is used. The other is the sound insulation wall, to reduce noise, began to appear unique design. 1, the gap between the road to absorb the rain Tokyo Akata City Road, a Japanese road company test chamber, the exhibition paved road display samples. Splash water to the sample road, the general road