tågkollision, inbegripet kollisioner med hinder inom det fria rummet: frontalkollision, bakifrånkollision eller sidokollision mellan delar av olika tåg eller mellan tåg och ###>“collision of trains, including collisions with obstacles within the clearance gauge” means a front to front, front to end or a side collision between a part of a train and a part of another train, or with: