公交体系在世界的任何一个国家都是十分重要的一部分,它不但是环保低碳的出行选择,也是各国着力发展的重要公共服务事业之一。英国首都伦敦的公共交通也不例外。据了解,伦敦市区内的道路主要分为主干道和次干道两种。在绝 Bus system in any country in the world is a very important part, it is not only environmentally friendly low-carbon travel options, but also focus on the development of all countries one of the major public services. Public transport in the capital, London, is no exception. It is understood that the urban area of ​​London is divided into two main roads and secondary roads. In absolute