占有

当部分轨道需要维护，列车不能运行，由运营商移交给工程师，工程师“占有”。A train that was not in the working timetable, and had been programmed via a special traffic notice

" class="glossaryLink ">特别

采取保护措施防止未经授权的列车进入。当轨道返回给运营商时，工程师们“放弃占有权”。