Transport system (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">transport system</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for railway that I've seen before include "Train system" , "Line of track" , "Track for locomotives" , "eg Funicular" , "Track for trains" .)
(Other definitions for cable car that I've seen before include "Skier's transport" , "that takes one to Snowdon-like heights?" , "Clear cab for carriage used by ascending skiers" , "Suspended transport system" , "Funicular vehicle" .)