当无人驾驶汽车上路时，最重要的道路基础设施是车道标志线，这种画在路面上的东西没有什么技术含量，但是这些线将为汽车上的深度学习软件提供关键的图像信息。
When driverless cars take the road, the most important road infrastructure will be the low-tech painted-on lane markers that provide critical visual information for the car's deep - learning software.
合理设计行驶重车道路的路面结构层厚度，是保证行驶安全的有效途径。
Reasonable design for the thickness of roadbed structure of heavy-duty road is an effective measure to ensure traffic safety.
更宽的步行道路面采用10英尺到16英尺，在一些地段上，用相互分离的平行车道来区分不同的使用者。
A wider trail tread of 10 ft to as much as 16 ft was adopted and, in some places, several parallel trail treads were specified with separate lanes for each type of user.
应用推荐