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一般的公路有泥路、沙石路或柏油路。但在世界某些国家却因地制宜,建造了千奇百怪的公路,使公路不但行驶车辆,更配合其他需要。 英国制成了一种可以移动的公路,它用铝板连接而成,装在专用平板卡车上,能够伸缩。哪里的路坏了,移动公路就“赶”到哪里,作为临时公路应急,可以通过60吨的载重汽车。 在法国巴黎的东北面,有一段20公里长的红色公路。它提醒驾驶员,此路危险,谨慎驾驶。此外还有些长途汽车行驶的公路是蓝色的,据
The general road dirt road, gravel road or asphalt road. However, in some countries in the world, different kinds of highways have been built in accordance with the local conditions so that the roads will not only run vehicles but also meet other needs. The UK made a moveable road, made of aluminum, mounted on a special flatbed truck that is telescopic. Where the road is broken, the mobile road to “catch” where, as a temporary road emergency, you can pass 60 tons of trucks. To the northeast of Paris, France, there is a 20-kilometer stretch of red road. It reminds the driver that this road is dangerous and driving with caution. In addition there are some long-distance bus driving the road is blue, according to