指导员被指派引导火车司机越过他不熟悉或不熟悉的线路的人A train that was not in the working timetable, and had been programmed via a special traffic notice
" class="glossaryLink ">特殊的列车运行受到限制的情况。或全权负责授权列车通过可能发生错误的区域的工作人员-路工作还是工作When a section of track is required for maintenance and trains cannot run, it is handed over by the operators to the engineers, who take "possession". Special protective measures are used to prevent access by unauthorised trains. When the track is returned to the operators, the engineers "give up possession".
" class="glossaryLink ">个人财产. 通常会在驾驶室列车通过他们的部分. 为了消除任何潜在的混乱，一个特定的部分只有一个试点。
