ayou must remain stopped until the school bus moves ahead or until the stop-sign arm and flashing lights are no longer shown. 您必须保持停止,直到校车向前移动或直到停止标志胳膊和闪光灯不再显示。[translate] aA divided roadway is one in which the road is separated by physical barriers such as ...
E. xplanation : The Keep Right (R4-7) sign may be used at locations where it is necessary F. or traffic to pass only to the right of a roadway feature or obstruction. A traffic island, obstruction or median is ahead. Keep to the right. ...